Home / 705,432.14-1,058,023.59-278,826.15

Finding the Fourth Proportional to 705,432.14, 1,058,023.59 and 278,826.15

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Solution

The fourth proportional to 705,432.14, 1,058,023.59 and 278,826.15 is: 418,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,432.14 : 1,058,023.59 = 278,826.15 : x
  2. Step 2: Convert to fraction form
    705,432.14/1,058,023.59 = 278,826.15/x
  3. Step 3: Cross multiply
    705,432.14x = 1,058,023.59 × 278,826.15
  4. Step 4: Simplify right side
    705,432.14x = 295,004,644,208.88
  5. Step 5: Solve for x
    x = 295,004,644,208.88/705,432.14
  6. Step 6: Final answer
    x = 418,189.97

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1.5x scale

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.