Home / 925,159.76-1,385,234.04-480,994.64

Finding the Fourth Proportional to 925,159.76, 1,385,234.04 and 480,994.64

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Solution

The fourth proportional to 925,159.76, 1,385,234.04 and 480,994.64 is: 720,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,159.76 : 1,385,234.04 = 480,994.64 : x
  2. Step 2: Convert to fraction form
    925,159.76/1,385,234.04 = 480,994.64/x
  3. Step 3: Cross multiply
    925,159.76x = 1,385,234.04 × 480,994.64
  4. Step 4: Simplify right side
    925,159.76x = 666,290,148,385.55
  5. Step 5: Solve for x
    x = 666,290,148,385.55/925,159.76
  6. Step 6: Final answer
    x = 720,189.29

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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.