Home / 708,115.58-1,062,616.24-287,391.45

Finding the Fourth Proportional to 708,115.58, 1,062,616.24 and 287,391.45

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Solution

The fourth proportional to 708,115.58, 1,062,616.24 and 287,391.45 is: 431,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,115.58 : 1,062,616.24 = 287,391.45 : x
  2. Step 2: Convert to fraction form
    708,115.58/1,062,616.24 = 287,391.45/x
  3. Step 3: Cross multiply
    708,115.58x = 1,062,616.24 × 287,391.45
  4. Step 4: Simplify right side
    708,115.58x = 305,386,822,366.39
  5. Step 5: Solve for x
    x = 305,386,822,366.39/708,115.58
  6. Step 6: Final answer
    x = 431,266.92

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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.