Home / 987,232.35-1,479,729.04-453,650.82

Finding the Fourth Proportional to 987,232.35, 1,479,729.04 and 453,650.82

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Solution

The fourth proportional to 987,232.35, 1,479,729.04 and 453,650.82 is: 679,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,232.35 : 1,479,729.04 = 453,650.82 : x
  2. Step 2: Convert to fraction form
    987,232.35/1,479,729.04 = 453,650.82/x
  3. Step 3: Cross multiply
    987,232.35x = 1,479,729.04 × 453,650.82
  4. Step 4: Simplify right side
    987,232.35x = 671,280,292,373.81
  5. Step 5: Solve for x
    x = 671,280,292,373.81/987,232.35
  6. Step 6: Final answer
    x = 679,961.81

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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.