Home / 750,379.78-1,035,516.24-406,207.95

Finding the Fourth Proportional to 750,379.78, 1,035,516.24 and 406,207.95

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Solution

The fourth proportional to 750,379.78, 1,035,516.24 and 406,207.95 is: 560,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,379.78 : 1,035,516.24 = 406,207.95 : x
  2. Step 2: Convert to fraction form
    750,379.78/1,035,516.24 = 406,207.95/x
  3. Step 3: Cross multiply
    750,379.78x = 1,035,516.24 × 406,207.95
  4. Step 4: Simplify right side
    750,379.78x = 420,634,929,042.11
  5. Step 5: Solve for x
    x = 420,634,929,042.11/750,379.78
  6. Step 6: Final answer
    x = 560,562.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.