Home / 791,637.38-1,187,006.18-311,605.01

Finding the Fourth Proportional to 791,637.38, 1,187,006.18 and 311,605.01

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Solution

The fourth proportional to 791,637.38, 1,187,006.18 and 311,605.01 is: 467,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,637.38 : 1,187,006.18 = 311,605.01 : x
  2. Step 2: Convert to fraction form
    791,637.38/1,187,006.18 = 311,605.01/x
  3. Step 3: Cross multiply
    791,637.38x = 1,187,006.18 × 311,605.01
  4. Step 4: Simplify right side
    791,637.38x = 369,877,065,095.91
  5. Step 5: Solve for x
    x = 369,877,065,095.91/791,637.38
  6. Step 6: Final answer
    x = 467,230.42

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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.