Home / 887,463.60-1,331,195.40-729,999.60

Finding the Fourth Proportional to 887,463.60, 1,331,195.40 and 729,999.60

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Solution

The fourth proportional to 887,463.60, 1,331,195.40 and 729,999.60 is: 1,094,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,463.60 : 1,331,195.40 = 729,999.60 : x
  2. Step 2: Convert to fraction form
    887,463.60/1,331,195.40 = 729,999.60/x
  3. Step 3: Cross multiply
    887,463.60x = 1,331,195.40 × 729,999.60
  4. Step 4: Simplify right side
    887,463.60x = 971,772,109,521.84
  5. Step 5: Solve for x
    x = 971,772,109,521.84/887,463.60
  6. Step 6: Final answer
    x = 1,094,999.40

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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.