Home / 862,507.28-1,294,361.22-357,070.87

Finding the Fourth Proportional to 862,507.28, 1,294,361.22 and 357,070.87

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Solution

The fourth proportional to 862,507.28, 1,294,361.22 and 357,070.87 is: 535,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,507.28 : 1,294,361.22 = 357,070.87 : x
  2. Step 2: Convert to fraction form
    862,507.28/1,294,361.22 = 357,070.87/x
  3. Step 3: Cross multiply
    862,507.28x = 1,294,361.22 × 357,070.87
  4. Step 4: Simplify right side
    862,507.28x = 462,178,689,876.63
  5. Step 5: Solve for x
    x = 462,178,689,876.63/862,507.28
  6. Step 6: Final answer
    x = 535,854.83

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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.