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Finding the Fourth Proportional to 948,809, 1,310,154.22 and 677,708.48

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Solution

The fourth proportional to 948,809, 1,310,154.22 and 677,708.48 is: 935,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,809 : 1,310,154.22 = 677,708.48 : x
  2. Step 2: Convert to fraction form
    948,809/1,310,154.22 = 677,708.48/x
  3. Step 3: Cross multiply
    948,809x = 1,310,154.22 × 677,708.48
  4. Step 4: Simplify right side
    948,809x = 887,902,625,001.79
  5. Step 5: Solve for x
    x = 887,902,625,001.79/948,809
  6. Step 6: Final answer
    x = 935,807.55

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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.