Home / 865,806.72-1,194,869.04-483,835.68

Finding the Fourth Proportional to 865,806.72, 1,194,869.04 and 483,835.68

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Solution

The fourth proportional to 865,806.72, 1,194,869.04 and 483,835.68 is: 667,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,806.72 : 1,194,869.04 = 483,835.68 : x
  2. Step 2: Convert to fraction form
    865,806.72/1,194,869.04 = 483,835.68/x
  3. Step 3: Cross multiply
    865,806.72x = 1,194,869.04 × 483,835.68
  4. Step 4: Simplify right side
    865,806.72x = 578,120,274,479.35
  5. Step 5: Solve for x
    x = 578,120,274,479.35/865,806.72
  6. Step 6: Final answer
    x = 667,724.40

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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.