Home / 762,445.52-1,142,224.64-508,961.60

Finding the Fourth Proportional to 762,445.52, 1,142,224.64 and 508,961.60

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Solution

The fourth proportional to 762,445.52, 1,142,224.64 and 508,961.60 is: 762,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,445.52 : 1,142,224.64 = 508,961.60 : x
  2. Step 2: Convert to fraction form
    762,445.52/1,142,224.64 = 508,961.60/x
  3. Step 3: Cross multiply
    762,445.52x = 1,142,224.64 × 508,961.60
  4. Step 4: Simplify right side
    762,445.52x = 581,348,480,333.82
  5. Step 5: Solve for x
    x = 581,348,480,333.82/762,445.52
  6. Step 6: Final answer
    x = 762,478.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.