Home / 830,588.30-1,245,882.45-822,715.10

Finding the Fourth Proportional to 830,588.30, 1,245,882.45 and 822,715.10

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Solution

The fourth proportional to 830,588.30, 1,245,882.45 and 822,715.10 is: 1,234,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,588.30 : 1,245,882.45 = 822,715.10 : x
  2. Step 2: Convert to fraction form
    830,588.30/1,245,882.45 = 822,715.10/x
  3. Step 3: Cross multiply
    830,588.30x = 1,245,882.45 × 822,715.10
  4. Step 4: Simplify right side
    830,588.30x = 1,025,006,304,439.99
  5. Step 5: Solve for x
    x = 1,025,006,304,439.99/830,588.30
  6. Step 6: Final answer
    x = 1,234,072.65

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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.