Home / 861,297.92-1,288,797.60-506,479.04

Finding the Fourth Proportional to 861,297.92, 1,288,797.60 and 506,479.04

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Solution

The fourth proportional to 861,297.92, 1,288,797.60 and 506,479.04 is: 757,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,297.92 : 1,288,797.60 = 506,479.04 : x
  2. Step 2: Convert to fraction form
    861,297.92/1,288,797.60 = 506,479.04/x
  3. Step 3: Cross multiply
    861,297.92x = 1,288,797.60 × 506,479.04
  4. Step 4: Simplify right side
    861,297.92x = 652,748,971,202.30
  5. Step 5: Solve for x
    x = 652,748,971,202.30/861,297.92
  6. Step 6: Final answer
    x = 757,866.65

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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.