Home / 748,835.20-1,033,390.74-409,305.88

Finding the Fourth Proportional to 748,835.20, 1,033,390.74 and 409,305.88

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Solution

The fourth proportional to 748,835.20, 1,033,390.74 and 409,305.88 is: 564,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,835.20 : 1,033,390.74 = 409,305.88 : x
  2. Step 2: Convert to fraction form
    748,835.20/1,033,390.74 = 409,305.88/x
  3. Step 3: Cross multiply
    748,835.20x = 1,033,390.74 × 409,305.88
  4. Step 4: Simplify right side
    748,835.20x = 422,972,906,219.55
  5. Step 5: Solve for x
    x = 422,972,906,219.55/748,835.20
  6. Step 6: Final answer
    x = 564,841.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.