Home / 741,658.20-1,112,487.30-368,410.20

Finding the Fourth Proportional to 741,658.20, 1,112,487.30 and 368,410.20

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Solution

The fourth proportional to 741,658.20, 1,112,487.30 and 368,410.20 is: 552,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,658.20 : 1,112,487.30 = 368,410.20 : x
  2. Step 2: Convert to fraction form
    741,658.20/1,112,487.30 = 368,410.20/x
  3. Step 3: Cross multiply
    741,658.20x = 1,112,487.30 × 368,410.20
  4. Step 4: Simplify right side
    741,658.20x = 409,851,668,690.46
  5. Step 5: Solve for x
    x = 409,851,668,690.46/741,658.20
  6. Step 6: Final answer
    x = 552,615.30

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Half scale
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Double scale
Find fourth proportional to 741,659.20, 1,112,488.80 and 368,411.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.