Home / 865,846.20-1,194,864.30-483,872.88

Finding the Fourth Proportional to 865,846.20, 1,194,864.30 and 483,872.88

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Solution

The fourth proportional to 865,846.20, 1,194,864.30 and 483,872.88 is: 667,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,846.20 : 1,194,864.30 = 483,872.88 : x
  2. Step 2: Convert to fraction form
    865,846.20/1,194,864.30 = 483,872.88/x
  3. Step 3: Cross multiply
    865,846.20x = 1,194,864.30 × 483,872.88
  4. Step 4: Simplify right side
    865,846.20x = 578,162,430,050.18
  5. Step 5: Solve for x
    x = 578,162,430,050.18/865,846.20
  6. Step 6: Final answer
    x = 667,742.64

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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.