Home / 714,553.66-1,071,015.08-287,816.20

Finding the Fourth Proportional to 714,553.66, 1,071,015.08 and 287,816.20

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Solution

The fourth proportional to 714,553.66, 1,071,015.08 and 287,816.20 is: 431,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,553.66 : 1,071,015.08 = 287,816.20 : x
  2. Step 2: Convert to fraction form
    714,553.66/1,071,015.08 = 287,816.20/x
  3. Step 3: Cross multiply
    714,553.66x = 1,071,015.08 × 287,816.20
  4. Step 4: Simplify right side
    714,553.66x = 308,255,490,468.30
  5. Step 5: Solve for x
    x = 308,255,490,468.30/714,553.66
  6. Step 6: Final answer
    x = 431,395.86

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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.