Home / 897,892.56-1,239,098.94-489,997.62

Finding the Fourth Proportional to 897,892.56, 1,239,098.94 and 489,997.62

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Solution

The fourth proportional to 897,892.56, 1,239,098.94 and 489,997.62 is: 676,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,892.56 : 1,239,098.94 = 489,997.62 : x
  2. Step 2: Convert to fraction form
    897,892.56/1,239,098.94 = 489,997.62/x
  3. Step 3: Cross multiply
    897,892.56x = 1,239,098.94 × 489,997.62
  4. Step 4: Simplify right side
    897,892.56x = 607,155,531,544.52
  5. Step 5: Solve for x
    x = 607,155,531,544.52/897,892.56
  6. Step 6: Final answer
    x = 676,200.65

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1.5x scale

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.