Home / 792,127.30-1,188,045.15-492,070.90

Finding the Fourth Proportional to 792,127.30, 1,188,045.15 and 492,070.90

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Solution

The fourth proportional to 792,127.30, 1,188,045.15 and 492,070.90 is: 738,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,127.30 : 1,188,045.15 = 492,070.90 : x
  2. Step 2: Convert to fraction form
    792,127.30/1,188,045.15 = 492,070.90/x
  3. Step 3: Cross multiply
    792,127.30x = 1,188,045.15 × 492,070.90
  4. Step 4: Simplify right side
    792,127.30x = 584,602,446,201.14
  5. Step 5: Solve for x
    x = 584,602,446,201.14/792,127.30
  6. Step 6: Final answer
    x = 738,015.78

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1.5x scale

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.