Home / 688,039.24-1,031,796.42-328,146.52

Finding the Fourth Proportional to 688,039.24, 1,031,796.42 and 328,146.52

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Solution

The fourth proportional to 688,039.24, 1,031,796.42 and 328,146.52 is: 492,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,039.24 : 1,031,796.42 = 328,146.52 : x
  2. Step 2: Convert to fraction form
    688,039.24/1,031,796.42 = 328,146.52/x
  3. Step 3: Cross multiply
    688,039.24x = 1,031,796.42 × 328,146.52
  4. Step 4: Simplify right side
    688,039.24x = 338,580,404,571.46
  5. Step 5: Solve for x
    x = 338,580,404,571.46/688,039.24
  6. Step 6: Final answer
    x = 492,094.61

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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.