Home / 758,600.74-1,138,461.08-359,240.87

Finding the Fourth Proportional to 758,600.74, 1,138,461.08 and 359,240.87

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Solution

The fourth proportional to 758,600.74, 1,138,461.08 and 359,240.87 is: 539,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,600.74 : 1,138,461.08 = 359,240.87 : x
  2. Step 2: Convert to fraction form
    758,600.74/1,138,461.08 = 359,240.87/x
  3. Step 3: Cross multiply
    758,600.74x = 1,138,461.08 × 359,240.87
  4. Step 4: Simplify right side
    758,600.74x = 408,981,749,890.29
  5. Step 5: Solve for x
    x = 408,981,749,890.29/758,600.74
  6. Step 6: Final answer
    x = 539,126.48

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1.5x scale

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.