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Finding the Fourth Proportional to 880,304.60, 1,323,275.70 and 817,902.20

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Solution

The fourth proportional to 880,304.60, 1,323,275.70 and 817,902.20 is: 1,229,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,304.60 : 1,323,275.70 = 817,902.20 : x
  2. Step 2: Convert to fraction form
    880,304.60/1,323,275.70 = 817,902.20/x
  3. Step 3: Cross multiply
    880,304.60x = 1,323,275.70 × 817,902.20
  4. Step 4: Simplify right side
    880,304.60x = 1,082,310,106,236.54
  5. Step 5: Solve for x
    x = 1,082,310,106,236.54/880,304.60
  6. Step 6: Final answer
    x = 1,229,472.28

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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.