Home / 900,589.20-1,350,885.36-368,109.76

Finding the Fourth Proportional to 900,589.20, 1,350,885.36 and 368,109.76

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Solution

The fourth proportional to 900,589.20, 1,350,885.36 and 368,109.76 is: 552,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,589.20 : 1,350,885.36 = 368,109.76 : x
  2. Step 2: Convert to fraction form
    900,589.20/1,350,885.36 = 368,109.76/x
  3. Step 3: Cross multiply
    900,589.20x = 1,350,885.36 × 368,109.76
  4. Step 4: Simplify right side
    900,589.20x = 497,274,085,657.11
  5. Step 5: Solve for x
    x = 497,274,085,657.11/900,589.20
  6. Step 6: Final answer
    x = 552,165.28

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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.