Home / 705,433.14-1,058,025.09-278,827.15

Finding the Fourth Proportional to 705,433.14, 1,058,025.09 and 278,827.15

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Solution

The fourth proportional to 705,433.14, 1,058,025.09 and 278,827.15 is: 418,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,433.14 : 1,058,025.09 = 278,827.15 : x
  2. Step 2: Convert to fraction form
    705,433.14/1,058,025.09 = 278,827.15/x
  3. Step 3: Cross multiply
    705,433.14x = 1,058,025.09 × 278,827.15
  4. Step 4: Simplify right side
    705,433.14x = 295,006,120,473.19
  5. Step 5: Solve for x
    x = 295,006,120,473.19/705,433.14
  6. Step 6: Final answer
    x = 418,191.47

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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.