Home / 539,233.20-744,207.73-309,790.06

Finding the Fourth Proportional to 539,233.20, 744,207.73 and 309,790.06

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Solution

The fourth proportional to 539,233.20, 744,207.73 and 309,790.06 is: 427,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,233.20 : 744,207.73 = 309,790.06 : x
  2. Step 2: Convert to fraction form
    539,233.20/744,207.73 = 309,790.06/x
  3. Step 3: Cross multiply
    539,233.20x = 744,207.73 × 309,790.06
  4. Step 4: Simplify right side
    539,233.20x = 230,548,154,694.17
  5. Step 5: Solve for x
    x = 230,548,154,694.17/539,233.20
  6. Step 6: Final answer
    x = 427,548.15

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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.