Home / 755,042.55-1,041,958.11-415,510.80

Finding the Fourth Proportional to 755,042.55, 1,041,958.11 and 415,510.80

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Solution

The fourth proportional to 755,042.55, 1,041,958.11 and 415,510.80 is: 573,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,042.55 : 1,041,958.11 = 415,510.80 : x
  2. Step 2: Convert to fraction form
    755,042.55/1,041,958.11 = 415,510.80/x
  3. Step 3: Cross multiply
    755,042.55x = 1,041,958.11 × 415,510.80
  4. Step 4: Simplify right side
    755,042.55x = 432,944,847,852.59
  5. Step 5: Solve for x
    x = 432,944,847,852.59/755,042.55
  6. Step 6: Final answer
    x = 573,404.57

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Double scale
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1.5x scale

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.