Home / 705,867.04-1,058,998.20-285,438.16

Finding the Fourth Proportional to 705,867.04, 1,058,998.20 and 285,438.16

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Solution

The fourth proportional to 705,867.04, 1,058,998.20 and 285,438.16 is: 428,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,867.04 : 1,058,998.20 = 285,438.16 : x
  2. Step 2: Convert to fraction form
    705,867.04/1,058,998.20 = 285,438.16/x
  3. Step 3: Cross multiply
    705,867.04x = 1,058,998.20 × 285,438.16
  4. Step 4: Simplify right side
    705,867.04x = 302,278,497,651.31
  5. Step 5: Solve for x
    x = 302,278,497,651.31/705,867.04
  6. Step 6: Final answer
    x = 428,237.16

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Double scale
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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.