Home / 555,788.11-766,988.09-301,139.29

Finding the Fourth Proportional to 555,788.11, 766,988.09 and 301,139.29

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Solution

The fourth proportional to 555,788.11, 766,988.09 and 301,139.29 is: 415,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,788.11 : 766,988.09 = 301,139.29 : x
  2. Step 2: Convert to fraction form
    555,788.11/766,988.09 = 301,139.29/x
  3. Step 3: Cross multiply
    555,788.11x = 766,988.09 × 301,139.29
  4. Step 4: Simplify right side
    555,788.11x = 230,970,248,861.06
  5. Step 5: Solve for x
    x = 230,970,248,861.06/555,788.11
  6. Step 6: Final answer
    x = 415,572.49

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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.