Home / 762,887.60-1,145,643.60-497,823.20

Finding the Fourth Proportional to 762,887.60, 1,145,643.60 and 497,823.20

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Solution

The fourth proportional to 762,887.60, 1,145,643.60 and 497,823.20 is: 747,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,887.60 : 1,145,643.60 = 497,823.20 : x
  2. Step 2: Convert to fraction form
    762,887.60/1,145,643.60 = 497,823.20/x
  3. Step 3: Cross multiply
    762,887.60x = 1,145,643.60 × 497,823.20
  4. Step 4: Simplify right side
    762,887.60x = 570,327,963,011.52
  5. Step 5: Solve for x
    x = 570,327,963,011.52/762,887.60
  6. Step 6: Final answer
    x = 747,591.08

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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.