Home / 539,029.97-743,864.87-297,319.07

Finding the Fourth Proportional to 539,029.97, 743,864.87 and 297,319.07

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Solution

The fourth proportional to 539,029.97, 743,864.87 and 297,319.07 is: 410,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,029.97 : 743,864.87 = 297,319.07 : x
  2. Step 2: Convert to fraction form
    539,029.97/743,864.87 = 297,319.07/x
  3. Step 3: Cross multiply
    539,029.97x = 743,864.87 × 297,319.07
  4. Step 4: Simplify right side
    539,029.97x = 221,165,209,867.48
  5. Step 5: Solve for x
    x = 221,165,209,867.48/539,029.97
  6. Step 6: Final answer
    x = 410,302.25

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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.