Home / 897,854.88-1,239,066.06-489,983.06

Finding the Fourth Proportional to 897,854.88, 1,239,066.06 and 489,983.06

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Solution

The fourth proportional to 897,854.88, 1,239,066.06 and 489,983.06 is: 676,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,854.88 : 1,239,066.06 = 489,983.06 : x
  2. Step 2: Convert to fraction form
    897,854.88/1,239,066.06 = 489,983.06/x
  3. Step 3: Cross multiply
    897,854.88x = 1,239,066.06 × 489,983.06
  4. Step 4: Simplify right side
    897,854.88x = 607,121,373,425.61
  5. Step 5: Solve for x
    x = 607,121,373,425.61/897,854.88
  6. Step 6: Final answer
    x = 676,190.98

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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.