Home / 840,306.96-1,159,576.44-477,679.68

Finding the Fourth Proportional to 840,306.96, 1,159,576.44 and 477,679.68

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Solution

The fourth proportional to 840,306.96, 1,159,576.44 and 477,679.68 is: 659,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,306.96 : 1,159,576.44 = 477,679.68 : x
  2. Step 2: Convert to fraction form
    840,306.96/1,159,576.44 = 477,679.68/x
  3. Step 3: Cross multiply
    840,306.96x = 1,159,576.44 × 477,679.68
  4. Step 4: Simplify right side
    840,306.96x = 553,906,102,794.74
  5. Step 5: Solve for x
    x = 553,906,102,794.74/840,306.96
  6. Step 6: Final answer
    x = 659,171.15

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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.