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Finding the Fourth Proportional to 530,720.60, 732,387.18 and 301,275.87

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Solution

The fourth proportional to 530,720.60, 732,387.18 and 301,275.87 is: 415,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,720.60 : 732,387.18 = 301,275.87 : x
  2. Step 2: Convert to fraction form
    530,720.60/732,387.18 = 301,275.87/x
  3. Step 3: Cross multiply
    530,720.60x = 732,387.18 × 301,275.87
  4. Step 4: Simplify right side
    530,720.60x = 220,650,584,831.35
  5. Step 5: Solve for x
    x = 220,650,584,831.35/530,720.60
  6. Step 6: Final answer
    x = 415,756.59

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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.