Home / 758,445.12-1,138,289.76-384,575.04

Finding the Fourth Proportional to 758,445.12, 1,138,289.76 and 384,575.04

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Solution

The fourth proportional to 758,445.12, 1,138,289.76 and 384,575.04 is: 577,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,445.12 : 1,138,289.76 = 384,575.04 : x
  2. Step 2: Convert to fraction form
    758,445.12/1,138,289.76 = 384,575.04/x
  3. Step 3: Cross multiply
    758,445.12x = 1,138,289.76 × 384,575.04
  4. Step 4: Simplify right side
    758,445.12x = 437,757,829,983.59
  5. Step 5: Solve for x
    x = 437,757,829,983.59/758,445.12
  6. Step 6: Final answer
    x = 577,177.99

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1.5x scale

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.