Home / 865,849.20-1,194,868.35-483,875.88

Finding the Fourth Proportional to 865,849.20, 1,194,868.35 and 483,875.88

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Solution

The fourth proportional to 865,849.20, 1,194,868.35 and 483,875.88 is: 667,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,849.20 : 1,194,868.35 = 483,875.88 : x
  2. Step 2: Convert to fraction form
    865,849.20/1,194,868.35 = 483,875.88/x
  3. Step 3: Cross multiply
    865,849.20x = 1,194,868.35 × 483,875.88
  4. Step 4: Simplify right side
    865,849.20x = 578,167,974,340.40
  5. Step 5: Solve for x
    x = 578,167,974,340.40/865,849.20
  6. Step 6: Final answer
    x = 667,746.73

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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.