Home / 862,116.31-1,189,720.22-499,750.52

Finding the Fourth Proportional to 862,116.31, 1,189,720.22 and 499,750.52

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Solution

The fourth proportional to 862,116.31, 1,189,720.22 and 499,750.52 is: 689,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,116.31 : 1,189,720.22 = 499,750.52 : x
  2. Step 2: Convert to fraction form
    862,116.31/1,189,720.22 = 499,750.52/x
  3. Step 3: Cross multiply
    862,116.31x = 1,189,720.22 × 499,750.52
  4. Step 4: Simplify right side
    862,116.31x = 594,563,302,823.19
  5. Step 5: Solve for x
    x = 594,563,302,823.19/862,116.31
  6. Step 6: Final answer
    x = 689,655.56

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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.