Home / 714,553.04-1,071,014.20-287,815.72

Finding the Fourth Proportional to 714,553.04, 1,071,014.20 and 287,815.72

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Solution

The fourth proportional to 714,553.04, 1,071,014.20 and 287,815.72 is: 431,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,553.04 : 1,071,014.20 = 287,815.72 : x
  2. Step 2: Convert to fraction form
    714,553.04/1,071,014.20 = 287,815.72/x
  3. Step 3: Cross multiply
    714,553.04x = 1,071,014.20 × 287,815.72
  4. Step 4: Simplify right side
    714,553.04x = 308,254,723,103.22
  5. Step 5: Solve for x
    x = 308,254,723,103.22/714,553.04
  6. Step 6: Final answer
    x = 431,395.16

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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.