Home / 791,174.86-1,186,315.17-311,551.18

Finding the Fourth Proportional to 791,174.86, 1,186,315.17 and 311,551.18

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Solution

The fourth proportional to 791,174.86, 1,186,315.17 and 311,551.18 is: 467,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,174.86 : 1,186,315.17 = 311,551.18 : x
  2. Step 2: Convert to fraction form
    791,174.86/1,186,315.17 = 311,551.18/x
  3. Step 3: Cross multiply
    791,174.86x = 1,186,315.17 × 311,551.18
  4. Step 4: Simplify right side
    791,174.86x = 369,597,891,065.40
  5. Step 5: Solve for x
    x = 369,597,891,065.40/791,174.86
  6. Step 6: Final answer
    x = 467,150.70

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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.