Home / 657,253.76-907,052.20-370,669.28

Finding the Fourth Proportional to 657,253.76, 907,052.20 and 370,669.28

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Solution

The fourth proportional to 657,253.76, 907,052.20 and 370,669.28 is: 511,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,253.76 : 907,052.20 = 370,669.28 : x
  2. Step 2: Convert to fraction form
    657,253.76/907,052.20 = 370,669.28/x
  3. Step 3: Cross multiply
    657,253.76x = 907,052.20 × 370,669.28
  4. Step 4: Simplify right side
    657,253.76x = 336,216,385,896.42
  5. Step 5: Solve for x
    x = 336,216,385,896.42/657,253.76
  6. Step 6: Final answer
    x = 511,547.30

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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.