Home / 657,254.26-907,052.88-370,669.78

Finding the Fourth Proportional to 657,254.26, 907,052.88 and 370,669.78

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Solution

The fourth proportional to 657,254.26, 907,052.88 and 370,669.78 is: 511,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,254.26 : 907,052.88 = 370,669.78 : x
  2. Step 2: Convert to fraction form
    657,254.26/907,052.88 = 370,669.78/x
  3. Step 3: Cross multiply
    657,254.26x = 907,052.88 × 370,669.78
  4. Step 4: Simplify right side
    657,254.26x = 336,217,091,477.97
  5. Step 5: Solve for x
    x = 336,217,091,477.97/657,254.26
  6. Step 6: Final answer
    x = 511,547.98

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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.