Home / 714,843.01-1,072,472.04-288,158.64

Finding the Fourth Proportional to 714,843.01, 1,072,472.04 and 288,158.64

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Solution

The fourth proportional to 714,843.01, 1,072,472.04 and 288,158.64 is: 432,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,843.01 : 1,072,472.04 = 288,158.64 : x
  2. Step 2: Convert to fraction form
    714,843.01/1,072,472.04 = 288,158.64/x
  3. Step 3: Cross multiply
    714,843.01x = 1,072,472.04 × 288,158.64
  4. Step 4: Simplify right side
    714,843.01x = 309,042,084,484.43
  5. Step 5: Solve for x
    x = 309,042,084,484.43/714,843.01
  6. Step 6: Final answer
    x = 432,321.61

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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.