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Finding the Fourth Proportional to 888,902.06, 1,225,407.39 and 633,810.86

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Solution

The fourth proportional to 888,902.06, 1,225,407.39 and 633,810.86 is: 873,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,902.06 : 1,225,407.39 = 633,810.86 : x
  2. Step 2: Convert to fraction form
    888,902.06/1,225,407.39 = 633,810.86/x
  3. Step 3: Cross multiply
    888,902.06x = 1,225,407.39 × 633,810.86
  4. Step 4: Simplify right side
    888,902.06x = 776,676,511,706.26
  5. Step 5: Solve for x
    x = 776,676,511,706.26/888,902.06
  6. Step 6: Final answer
    x = 873,748.13

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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.