Home / 657,862.41-907,872.08-403,164.39

Finding the Fourth Proportional to 657,862.41, 907,872.08 and 403,164.39

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Solution

The fourth proportional to 657,862.41, 907,872.08 and 403,164.39 is: 556,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,862.41 : 907,872.08 = 403,164.39 : x
  2. Step 2: Convert to fraction form
    657,862.41/907,872.08 = 403,164.39/x
  3. Step 3: Cross multiply
    657,862.41x = 907,872.08 × 403,164.39
  4. Step 4: Simplify right side
    657,862.41x = 366,021,689,799.78
  5. Step 5: Solve for x
    x = 366,021,689,799.78/657,862.41
  6. Step 6: Final answer
    x = 556,380.31

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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.