Home / 880,382.76-1,320,189.59-311,574.82

Finding the Fourth Proportional to 880,382.76, 1,320,189.59 and 311,574.82

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Solution

The fourth proportional to 880,382.76, 1,320,189.59 and 311,574.82 is: 467,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,382.76 : 1,320,189.59 = 311,574.82 : x
  2. Step 2: Convert to fraction form
    880,382.76/1,320,189.59 = 311,574.82/x
  3. Step 3: Cross multiply
    880,382.76x = 1,320,189.59 × 311,574.82
  4. Step 4: Simplify right side
    880,382.76x = 411,337,833,870.12
  5. Step 5: Solve for x
    x = 411,337,833,870.12/880,382.76
  6. Step 6: Final answer
    x = 467,226.13

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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.