Home / 510,349.03-704,276.10-280,901.41

Finding the Fourth Proportional to 510,349.03, 704,276.10 and 280,901.41

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Solution

The fourth proportional to 510,349.03, 704,276.10 and 280,901.41 is: 387,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,349.03 : 704,276.10 = 280,901.41 : x
  2. Step 2: Convert to fraction form
    510,349.03/704,276.10 = 280,901.41/x
  3. Step 3: Cross multiply
    510,349.03x = 704,276.10 × 280,901.41
  4. Step 4: Simplify right side
    510,349.03x = 197,832,147,758.61
  5. Step 5: Solve for x
    x = 197,832,147,758.61/510,349.03
  6. Step 6: Final answer
    x = 387,640.88

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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.