Home / 890,405.44-1,228,763.28-482,508.16

Finding the Fourth Proportional to 890,405.44, 1,228,763.28 and 482,508.16

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Solution

The fourth proportional to 890,405.44, 1,228,763.28 and 482,508.16 is: 665,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,405.44 : 1,228,763.28 = 482,508.16 : x
  2. Step 2: Convert to fraction form
    890,405.44/1,228,763.28 = 482,508.16/x
  3. Step 3: Cross multiply
    890,405.44x = 1,228,763.28 × 482,508.16
  4. Step 4: Simplify right side
    890,405.44x = 592,888,309,308.37
  5. Step 5: Solve for x
    x = 592,888,309,308.37/890,405.44
  6. Step 6: Final answer
    x = 665,863.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.