Home / 447,733.13-671,632.76-127,912.07

Finding the Fourth Proportional to 447,733.13, 671,632.76 and 127,912.07

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Solution

The fourth proportional to 447,733.13, 671,632.76 and 127,912.07 is: 191,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,733.13 : 671,632.76 = 127,912.07 : x
  2. Step 2: Convert to fraction form
    447,733.13/671,632.76 = 127,912.07/x
  3. Step 3: Cross multiply
    447,733.13x = 671,632.76 × 127,912.07
  4. Step 4: Simplify right side
    447,733.13x = 85,909,935,971.85
  5. Step 5: Solve for x
    x = 85,909,935,971.85/447,733.13
  6. Step 6: Final answer
    x = 191,877.55

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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.