Home / 502,190.71-693,028.18-272,752.47

Finding the Fourth Proportional to 502,190.71, 693,028.18 and 272,752.47

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Solution

The fourth proportional to 502,190.71, 693,028.18 and 272,752.47 is: 376,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,190.71 : 693,028.18 = 272,752.47 : x
  2. Step 2: Convert to fraction form
    502,190.71/693,028.18 = 272,752.47/x
  3. Step 3: Cross multiply
    502,190.71x = 693,028.18 × 272,752.47
  4. Step 4: Simplify right side
    502,190.71x = 189,025,150,128.51
  5. Step 5: Solve for x
    x = 189,025,150,128.51/502,190.71
  6. Step 6: Final answer
    x = 376,401.13

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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.