Home / 510,209.28-704,088.80-283,854.72

Finding the Fourth Proportional to 510,209.28, 704,088.80 and 283,854.72

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Solution

The fourth proportional to 510,209.28, 704,088.80 and 283,854.72 is: 391,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,209.28 : 704,088.80 = 283,854.72 : x
  2. Step 2: Convert to fraction form
    510,209.28/704,088.80 = 283,854.72/x
  3. Step 3: Cross multiply
    510,209.28x = 704,088.80 × 283,854.72
  4. Step 4: Simplify right side
    510,209.28x = 199,858,929,179.14
  5. Step 5: Solve for x
    x = 199,858,929,179.14/510,209.28
  6. Step 6: Final answer
    x = 391,719.51

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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.