Home / 922,772.12-1,384,149.90-291,686.36

Finding the Fourth Proportional to 922,772.12, 1,384,149.90 and 291,686.36

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Solution

The fourth proportional to 922,772.12, 1,384,149.90 and 291,686.36 is: 437,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,772.12 : 1,384,149.90 = 291,686.36 : x
  2. Step 2: Convert to fraction form
    922,772.12/1,384,149.90 = 291,686.36/x
  3. Step 3: Cross multiply
    922,772.12x = 1,384,149.90 × 291,686.36
  4. Step 4: Simplify right side
    922,772.12x = 403,737,646,025.36
  5. Step 5: Solve for x
    x = 403,737,646,025.36/922,772.12
  6. Step 6: Final answer
    x = 437,526.92

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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.