Home / 864,589.76-1,193,129.22-502,102.64

Finding the Fourth Proportional to 864,589.76, 1,193,129.22 and 502,102.64

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Solution

The fourth proportional to 864,589.76, 1,193,129.22 and 502,102.64 is: 692,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,589.76 : 1,193,129.22 = 502,102.64 : x
  2. Step 2: Convert to fraction form
    864,589.76/1,193,129.22 = 502,102.64/x
  3. Step 3: Cross multiply
    864,589.76x = 1,193,129.22 × 502,102.64
  4. Step 4: Simplify right side
    864,589.76x = 599,073,331,223.14
  5. Step 5: Solve for x
    x = 599,073,331,223.14/864,589.76
  6. Step 6: Final answer
    x = 692,898.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.