Home / 862,121.91-1,189,765.01-480,148.70

Finding the Fourth Proportional to 862,121.91, 1,189,765.01 and 480,148.70

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Solution

The fourth proportional to 862,121.91, 1,189,765.01 and 480,148.70 is: 662,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,121.91 : 1,189,765.01 = 480,148.70 : x
  2. Step 2: Convert to fraction form
    862,121.91/1,189,765.01 = 480,148.70/x
  3. Step 3: Cross multiply
    862,121.91x = 1,189,765.01 × 480,148.70
  4. Step 4: Simplify right side
    862,121.91x = 571,264,114,507.42
  5. Step 5: Solve for x
    x = 571,264,114,507.42/862,121.91
  6. Step 6: Final answer
    x = 662,625.68

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