Home / 755,151.12-1,042,100.64-415,612.08

Finding the Fourth Proportional to 755,151.12, 1,042,100.64 and 415,612.08

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Solution

The fourth proportional to 755,151.12, 1,042,100.64 and 415,612.08 is: 573,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,151.12 : 1,042,100.64 = 415,612.08 : x
  2. Step 2: Convert to fraction form
    755,151.12/1,042,100.64 = 415,612.08/x
  3. Step 3: Cross multiply
    755,151.12x = 1,042,100.64 × 415,612.08
  4. Step 4: Simplify right side
    755,151.12x = 433,109,614,559.73
  5. Step 5: Solve for x
    x = 433,109,614,559.73/755,151.12
  6. Step 6: Final answer
    x = 573,540.32

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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.