Home / 530,250.28-731,503.65-315,268.18

Finding the Fourth Proportional to 530,250.28, 731,503.65 and 315,268.18

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Solution

The fourth proportional to 530,250.28, 731,503.65 and 315,268.18 is: 434,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,250.28 : 731,503.65 = 315,268.18 : x
  2. Step 2: Convert to fraction form
    530,250.28/731,503.65 = 315,268.18/x
  3. Step 3: Cross multiply
    530,250.28x = 731,503.65 × 315,268.18
  4. Step 4: Simplify right side
    530,250.28x = 230,619,824,398.86
  5. Step 5: Solve for x
    x = 230,619,824,398.86/530,250.28
  6. Step 6: Final answer
    x = 434,926.36

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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.