Home / 688,932.53-1,031,187.79-368,282.79

Finding the Fourth Proportional to 688,932.53, 1,031,187.79 and 368,282.79

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Solution

The fourth proportional to 688,932.53, 1,031,187.79 and 368,282.79 is: 551,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,932.53 : 1,031,187.79 = 368,282.79 : x
  2. Step 2: Convert to fraction form
    688,932.53/1,031,187.79 = 368,282.79/x
  3. Step 3: Cross multiply
    688,932.53x = 1,031,187.79 × 368,282.79
  4. Step 4: Simplify right side
    688,932.53x = 379,768,714,473.72
  5. Step 5: Solve for x
    x = 379,768,714,473.72/688,932.53
  6. Step 6: Final answer
    x = 551,242.24

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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.