Home / 897,847.86-1,239,056.40-489,976.02

Finding the Fourth Proportional to 897,847.86, 1,239,056.40 and 489,976.02

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Solution

The fourth proportional to 897,847.86, 1,239,056.40 and 489,976.02 is: 676,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,847.86 : 1,239,056.40 = 489,976.02 : x
  2. Step 2: Convert to fraction form
    897,847.86/1,239,056.40 = 489,976.02/x
  3. Step 3: Cross multiply
    897,847.86x = 1,239,056.40 × 489,976.02
  4. Step 4: Simplify right side
    897,847.86x = 607,107,923,427.53
  5. Step 5: Solve for x
    x = 607,107,923,427.53/897,847.86
  6. Step 6: Final answer
    x = 676,181.29

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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.