Home / 514,470.20-771,446.10-304,172.60

Finding the Fourth Proportional to 514,470.20, 771,446.10 and 304,172.60

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Solution

The fourth proportional to 514,470.20, 771,446.10 and 304,172.60 is: 456,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,470.20 : 771,446.10 = 304,172.60 : x
  2. Step 2: Convert to fraction form
    514,470.20/771,446.10 = 304,172.60/x
  3. Step 3: Cross multiply
    514,470.20x = 771,446.10 × 304,172.60
  4. Step 4: Simplify right side
    514,470.20x = 234,652,765,996.86
  5. Step 5: Solve for x
    x = 234,652,765,996.86/514,470.20
  6. Step 6: Final answer
    x = 456,105.65

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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.