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Finding the Fourth Proportional to 802,904.40, 1,204,356.60 and 797,374.80

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Solution

The fourth proportional to 802,904.40, 1,204,356.60 and 797,374.80 is: 1,196,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,904.40 : 1,204,356.60 = 797,374.80 : x
  2. Step 2: Convert to fraction form
    802,904.40/1,204,356.60 = 797,374.80/x
  3. Step 3: Cross multiply
    802,904.40x = 1,204,356.60 × 797,374.80
  4. Step 4: Simplify right side
    802,904.40x = 960,323,603,053.68
  5. Step 5: Solve for x
    x = 960,323,603,053.68/802,904.40
  6. Step 6: Final answer
    x = 1,196,062.20

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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.