Home / 791,326.60-1,187,500.20-436,595.20

Finding the Fourth Proportional to 791,326.60, 1,187,500.20 and 436,595.20

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Solution

The fourth proportional to 791,326.60, 1,187,500.20 and 436,595.20 is: 655,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,326.60 : 1,187,500.20 = 436,595.20 : x
  2. Step 2: Convert to fraction form
    791,326.60/1,187,500.20 = 436,595.20/x
  3. Step 3: Cross multiply
    791,326.60x = 1,187,500.20 × 436,595.20
  4. Step 4: Simplify right side
    791,326.60x = 518,456,887,319.04
  5. Step 5: Solve for x
    x = 518,456,887,319.04/791,326.60
  6. Step 6: Final answer
    x = 655,174.35

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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.