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Finding the Fourth Proportional to 539,350.79, 744,290.37 and 297,630.20

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Solution

The fourth proportional to 539,350.79, 744,290.37 and 297,630.20 is: 410,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,350.79 : 744,290.37 = 297,630.20 : x
  2. Step 2: Convert to fraction form
    539,350.79/744,290.37 = 297,630.20/x
  3. Step 3: Cross multiply
    539,350.79x = 744,290.37 × 297,630.20
  4. Step 4: Simplify right side
    539,350.79x = 221,523,291,681.17
  5. Step 5: Solve for x
    x = 221,523,291,681.17/539,350.79
  6. Step 6: Final answer
    x = 410,722.10

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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.