Home / 657,269.07-907,040.12-370,788.27

Finding the Fourth Proportional to 657,269.07, 907,040.12 and 370,788.27

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Solution

The fourth proportional to 657,269.07, 907,040.12 and 370,788.27 is: 511,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,269.07 : 907,040.12 = 370,788.27 : x
  2. Step 2: Convert to fraction form
    657,269.07/907,040.12 = 370,788.27/x
  3. Step 3: Cross multiply
    657,269.07x = 907,040.12 × 370,788.27
  4. Step 4: Simplify right side
    657,269.07x = 336,319,836,915.39
  5. Step 5: Solve for x
    x = 336,319,836,915.39/657,269.07
  6. Step 6: Final answer
    x = 511,692.78

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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.