Home / 657,253.20-907,051.41-370,668.72

Finding the Fourth Proportional to 657,253.20, 907,051.41 and 370,668.72

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Solution

The fourth proportional to 657,253.20, 907,051.41 and 370,668.72 is: 511,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,253.20 : 907,051.41 = 370,668.72 : x
  2. Step 2: Convert to fraction form
    657,253.20/907,051.41 = 370,668.72/x
  3. Step 3: Cross multiply
    657,253.20x = 907,051.41 × 370,668.72
  4. Step 4: Simplify right side
    657,253.20x = 336,215,585,118.90
  5. Step 5: Solve for x
    x = 336,215,585,118.90/657,253.20
  6. Step 6: Final answer
    x = 511,546.52

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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.