Home / 755,512.52-1,042,604.87-415,980.77

Finding the Fourth Proportional to 755,512.52, 1,042,604.87 and 415,980.77

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Solution

The fourth proportional to 755,512.52, 1,042,604.87 and 415,980.77 is: 574,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,512.52 : 1,042,604.87 = 415,980.77 : x
  2. Step 2: Convert to fraction form
    755,512.52/1,042,604.87 = 415,980.77/x
  3. Step 3: Cross multiply
    755,512.52x = 1,042,604.87 × 415,980.77
  4. Step 4: Simplify right side
    755,512.52x = 433,703,569,335.42
  5. Step 5: Solve for x
    x = 433,703,569,335.42/755,512.52
  6. Step 6: Final answer
    x = 574,052.13

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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.