Home / 897,844.85-1,239,052.25-489,973.02

Finding the Fourth Proportional to 897,844.85, 1,239,052.25 and 489,973.02

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Solution

The fourth proportional to 897,844.85, 1,239,052.25 and 489,973.02 is: 676,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,844.85 : 1,239,052.25 = 489,973.02 : x
  2. Step 2: Convert to fraction form
    897,844.85/1,239,052.25 = 489,973.02/x
  3. Step 3: Cross multiply
    897,844.85x = 1,239,052.25 × 489,973.02
  4. Step 4: Simplify right side
    897,844.85x = 607,102,175,365.03
  5. Step 5: Solve for x
    x = 607,102,175,365.03/897,844.85
  6. Step 6: Final answer
    x = 676,177.15

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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.