Home / 678,397.10-1,017,379.58-222,882.57

Finding the Fourth Proportional to 678,397.10, 1,017,379.58 and 222,882.57

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Solution

The fourth proportional to 678,397.10, 1,017,379.58 and 222,882.57 is: 334,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,397.10 : 1,017,379.58 = 222,882.57 : x
  2. Step 2: Convert to fraction form
    678,397.10/1,017,379.58 = 222,882.57/x
  3. Step 3: Cross multiply
    678,397.10x = 1,017,379.58 × 222,882.57
  4. Step 4: Simplify right side
    678,397.10x = 226,756,174,341.51
  5. Step 5: Solve for x
    x = 226,756,174,341.51/678,397.10
  6. Step 6: Final answer
    x = 334,252.87

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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.