Home / 602,278.81-901,839.98-423,819.61

Finding the Fourth Proportional to 602,278.81, 901,839.98 and 423,819.61

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Solution

The fourth proportional to 602,278.81, 901,839.98 and 423,819.61 is: 634,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,278.81 : 901,839.98 = 423,819.61 : x
  2. Step 2: Convert to fraction form
    602,278.81/901,839.98 = 423,819.61/x
  3. Step 3: Cross multiply
    602,278.81x = 901,839.98 × 423,819.61
  4. Step 4: Simplify right side
    602,278.81x = 382,217,466,486.91
  5. Step 5: Solve for x
    x = 382,217,466,486.91/602,278.81
  6. Step 6: Final answer
    x = 634,618.82

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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.