Home / 792,149.64-1,186,503.30-487,615.56

Finding the Fourth Proportional to 792,149.64, 1,186,503.30 and 487,615.56

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Solution

The fourth proportional to 792,149.64, 1,186,503.30 and 487,615.56 is: 730,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,149.64 : 1,186,503.30 = 487,615.56 : x
  2. Step 2: Convert to fraction form
    792,149.64/1,186,503.30 = 487,615.56/x
  3. Step 3: Cross multiply
    792,149.64x = 1,186,503.30 × 487,615.56
  4. Step 4: Simplify right side
    792,149.64x = 578,557,471,071.35
  5. Step 5: Solve for x
    x = 578,557,471,071.35/792,149.64
  6. Step 6: Final answer
    x = 730,363.86

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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.