Home / 890,244.92-1,228,497.90-487,828.28

Finding the Fourth Proportional to 890,244.92, 1,228,497.90 and 487,828.28

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Solution

The fourth proportional to 890,244.92, 1,228,497.90 and 487,828.28 is: 673,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,244.92 : 1,228,497.90 = 487,828.28 : x
  2. Step 2: Convert to fraction form
    890,244.92/1,228,497.90 = 487,828.28/x
  3. Step 3: Cross multiply
    890,244.92x = 1,228,497.90 × 487,828.28
  4. Step 4: Simplify right side
    890,244.92x = 599,296,017,540.61
  5. Step 5: Solve for x
    x = 599,296,017,540.61/890,244.92
  6. Step 6: Final answer
    x = 673,181.06

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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.