Home / 961,769.61-1,442,943.27-287,872.92

Finding the Fourth Proportional to 961,769.61, 1,442,943.27 and 287,872.92

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Solution

The fourth proportional to 961,769.61, 1,442,943.27 and 287,872.92 is: 431,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,769.61 : 1,442,943.27 = 287,872.92 : x
  2. Step 2: Convert to fraction form
    961,769.61/1,442,943.27 = 287,872.92/x
  3. Step 3: Cross multiply
    961,769.61x = 1,442,943.27 × 287,872.92
  4. Step 4: Simplify right side
    961,769.61x = 415,384,292,529.25
  5. Step 5: Solve for x
    x = 415,384,292,529.25/961,769.61
  6. Step 6: Final answer
    x = 431,895.84

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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.