Home / 529,944.54-731,316.32-288,221.92

Finding the Fourth Proportional to 529,944.54, 731,316.32 and 288,221.92

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Solution

The fourth proportional to 529,944.54, 731,316.32 and 288,221.92 is: 397,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,944.54 : 731,316.32 = 288,221.92 : x
  2. Step 2: Convert to fraction form
    529,944.54/731,316.32 = 288,221.92/x
  3. Step 3: Cross multiply
    529,944.54x = 731,316.32 × 288,221.92
  4. Step 4: Simplify right side
    529,944.54x = 210,781,393,877.73
  5. Step 5: Solve for x
    x = 210,781,393,877.73/529,944.54
  6. Step 6: Final answer
    x = 397,742.36

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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.