Home / 758,613.66-1,138,480.40-359,253.69

Finding the Fourth Proportional to 758,613.66, 1,138,480.40 and 359,253.69

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Solution

The fourth proportional to 758,613.66, 1,138,480.40 and 359,253.69 is: 539,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,613.66 : 1,138,480.40 = 359,253.69 : x
  2. Step 2: Convert to fraction form
    758,613.66/1,138,480.40 = 359,253.69/x
  3. Step 3: Cross multiply
    758,613.66x = 1,138,480.40 × 359,253.69
  4. Step 4: Simplify right side
    758,613.66x = 409,003,284,692.68
  5. Step 5: Solve for x
    x = 409,003,284,692.68/758,613.66
  6. Step 6: Final answer
    x = 539,145.69

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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.