Home / 721,552.71-1,082,702.51-523,507.71

Finding the Fourth Proportional to 721,552.71, 1,082,702.51 and 523,507.71

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Solution

The fourth proportional to 721,552.71, 1,082,702.51 and 523,507.71 is: 785,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,552.71 : 1,082,702.51 = 523,507.71 : x
  2. Step 2: Convert to fraction form
    721,552.71/1,082,702.51 = 523,507.71/x
  3. Step 3: Cross multiply
    721,552.71x = 1,082,702.51 × 523,507.71
  4. Step 4: Simplify right side
    721,552.71x = 566,803,111,621.35
  5. Step 5: Solve for x
    x = 566,803,111,621.35/721,552.71
  6. Step 6: Final answer
    x = 785,532.51

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Double scale
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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.