Home / 657,920.07-986,915.34-208,675.04

Finding the Fourth Proportional to 657,920.07, 986,915.34 and 208,675.04

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Solution

The fourth proportional to 657,920.07, 986,915.34 and 208,675.04 is: 313,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,920.07 : 986,915.34 = 208,675.04 : x
  2. Step 2: Convert to fraction form
    657,920.07/986,915.34 = 208,675.04/x
  3. Step 3: Cross multiply
    657,920.07x = 986,915.34 × 208,675.04
  4. Step 4: Simplify right side
    657,920.07x = 205,944,593,116.54
  5. Step 5: Solve for x
    x = 205,944,593,116.54/657,920.07
  6. Step 6: Final answer
    x = 313,023.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.