Home / 966,335.30-1,449,007.12-511,172.20

Finding the Fourth Proportional to 966,335.30, 1,449,007.12 and 511,172.20

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Solution

The fourth proportional to 966,335.30, 1,449,007.12 and 511,172.20 is: 766,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,335.30 : 1,449,007.12 = 511,172.20 : x
  2. Step 2: Convert to fraction form
    966,335.30/1,449,007.12 = 511,172.20/x
  3. Step 3: Cross multiply
    966,335.30x = 1,449,007.12 × 511,172.20
  4. Step 4: Simplify right side
    966,335.30x = 740,692,153,298.43
  5. Step 5: Solve for x
    x = 740,692,153,298.43/966,335.30
  6. Step 6: Final answer
    x = 766,496.01

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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.