Home / 539,042.36-743,865.42-297,319.74

Finding the Fourth Proportional to 539,042.36, 743,865.42 and 297,319.74

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Solution

The fourth proportional to 539,042.36, 743,865.42 and 297,319.74 is: 410,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,042.36 : 743,865.42 = 297,319.74 : x
  2. Step 2: Convert to fraction form
    539,042.36/743,865.42 = 297,319.74/x
  3. Step 3: Cross multiply
    539,042.36x = 743,865.42 × 297,319.74
  4. Step 4: Simplify right side
    539,042.36x = 221,165,873,269.39
  5. Step 5: Solve for x
    x = 221,165,873,269.39/539,042.36
  6. Step 6: Final answer
    x = 410,294.05

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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.