Home / 865,790.28-1,194,788.52-483,817.02

Finding the Fourth Proportional to 865,790.28, 1,194,788.52 and 483,817.02

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Solution

The fourth proportional to 865,790.28, 1,194,788.52 and 483,817.02 is: 667,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,790.28 : 1,194,788.52 = 483,817.02 : x
  2. Step 2: Convert to fraction form
    865,790.28/1,194,788.52 = 483,817.02/x
  3. Step 3: Cross multiply
    865,790.28x = 1,194,788.52 × 483,817.02
  4. Step 4: Simplify right side
    865,790.28x = 578,059,021,276.61
  5. Step 5: Solve for x
    x = 578,059,021,276.61/865,790.28
  6. Step 6: Final answer
    x = 667,666.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.