Home / 657,180.90-906,937.20-370,700.91

Finding the Fourth Proportional to 657,180.90, 906,937.20 and 370,700.91

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Solution

The fourth proportional to 657,180.90, 906,937.20 and 370,700.91 is: 511,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,180.90 : 906,937.20 = 370,700.91 : x
  2. Step 2: Convert to fraction form
    657,180.90/906,937.20 = 370,700.91/x
  3. Step 3: Cross multiply
    657,180.90x = 906,937.20 × 370,700.91
  4. Step 4: Simplify right side
    657,180.90x = 336,202,445,352.85
  5. Step 5: Solve for x
    x = 336,202,445,352.85/657,180.90
  6. Step 6: Final answer
    x = 511,582.80

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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.