Home / 934,718.34-1,288,400.20-730,414.27

Finding the Fourth Proportional to 934,718.34, 1,288,400.20 and 730,414.27

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Solution

The fourth proportional to 934,718.34, 1,288,400.20 and 730,414.27 is: 1,006,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,718.34 : 1,288,400.20 = 730,414.27 : x
  2. Step 2: Convert to fraction form
    934,718.34/1,288,400.20 = 730,414.27/x
  3. Step 3: Cross multiply
    934,718.34x = 1,288,400.20 × 730,414.27
  4. Step 4: Simplify right side
    934,718.34x = 941,065,891,550.85
  5. Step 5: Solve for x
    x = 941,065,891,550.85/934,718.34
  6. Step 6: Final answer
    x = 1,006,790.87

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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.