Home / 859,558.43-1,287,565.77-503,492.96

Finding the Fourth Proportional to 859,558.43, 1,287,565.77 and 503,492.96

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Solution

The fourth proportional to 859,558.43, 1,287,565.77 and 503,492.96 is: 754,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,558.43 : 1,287,565.77 = 503,492.96 : x
  2. Step 2: Convert to fraction form
    859,558.43/1,287,565.77 = 503,492.96/x
  3. Step 3: Cross multiply
    859,558.43x = 1,287,565.77 × 503,492.96
  4. Step 4: Simplify right side
    859,558.43x = 648,280,300,731.98
  5. Step 5: Solve for x
    x = 648,280,300,731.98/859,558.43
  6. Step 6: Final answer
    x = 754,201.55

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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.