Home / 901,801.85-1,244,505.32-493,920.87

Finding the Fourth Proportional to 901,801.85, 1,244,505.32 and 493,920.87

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Solution

The fourth proportional to 901,801.85, 1,244,505.32 and 493,920.87 is: 681,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,801.85 : 1,244,505.32 = 493,920.87 : x
  2. Step 2: Convert to fraction form
    901,801.85/1,244,505.32 = 493,920.87/x
  3. Step 3: Cross multiply
    901,801.85x = 1,244,505.32 × 493,920.87
  4. Step 4: Simplify right side
    901,801.85x = 614,687,147,904.42
  5. Step 5: Solve for x
    x = 614,687,147,904.42/901,801.85
  6. Step 6: Final answer
    x = 681,621.08

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Double scale
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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.