Home / 657,247.17-907,043.10-370,662.69

Finding the Fourth Proportional to 657,247.17, 907,043.10 and 370,662.69

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Solution

The fourth proportional to 657,247.17, 907,043.10 and 370,662.69 is: 511,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,247.17 : 907,043.10 = 370,662.69 : x
  2. Step 2: Convert to fraction form
    657,247.17/907,043.10 = 370,662.69/x
  3. Step 3: Cross multiply
    657,247.17x = 907,043.10 × 370,662.69
  4. Step 4: Simplify right side
    657,247.17x = 336,207,035,391.94
  5. Step 5: Solve for x
    x = 336,207,035,391.94/657,247.17
  6. Step 6: Final answer
    x = 511,538.20

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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.