Home / 756,283.20-1,134,424.80-223,886.40

Finding the Fourth Proportional to 756,283.20, 1,134,424.80 and 223,886.40

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Solution

The fourth proportional to 756,283.20, 1,134,424.80 and 223,886.40 is: 335,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,283.20 : 1,134,424.80 = 223,886.40 : x
  2. Step 2: Convert to fraction form
    756,283.20/1,134,424.80 = 223,886.40/x
  3. Step 3: Cross multiply
    756,283.20x = 1,134,424.80 × 223,886.40
  4. Step 4: Simplify right side
    756,283.20x = 253,982,284,542.72
  5. Step 5: Solve for x
    x = 253,982,284,542.72/756,283.20
  6. Step 6: Final answer
    x = 335,829.60

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Double scale
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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.