Home / 671,177.48-1,006,860.78-215,615.95

Finding the Fourth Proportional to 671,177.48, 1,006,860.78 and 215,615.95

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Solution

The fourth proportional to 671,177.48, 1,006,860.78 and 215,615.95 is: 323,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,177.48 : 1,006,860.78 = 215,615.95 : x
  2. Step 2: Convert to fraction form
    671,177.48/1,006,860.78 = 215,615.95/x
  3. Step 3: Cross multiply
    671,177.48x = 1,006,860.78 × 215,615.95
  4. Step 4: Simplify right side
    671,177.48x = 217,095,240,271.73
  5. Step 5: Solve for x
    x = 217,095,240,271.73/671,177.48
  6. Step 6: Final answer
    x = 323,454.30

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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.