Home / 555,588.20-766,837.52-314,010.90

Finding the Fourth Proportional to 555,588.20, 766,837.52 and 314,010.90

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Solution

The fourth proportional to 555,588.20, 766,837.52 and 314,010.90 is: 433,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,588.20 : 766,837.52 = 314,010.90 : x
  2. Step 2: Convert to fraction form
    555,588.20/766,837.52 = 314,010.90/x
  3. Step 3: Cross multiply
    555,588.20x = 766,837.52 × 314,010.90
  4. Step 4: Simplify right side
    555,588.20x = 240,795,339,808.97
  5. Step 5: Solve for x
    x = 240,795,339,808.97/555,588.20
  6. Step 6: Final answer
    x = 433,406.14

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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.