Home / 847,327.34-1,271,206.13-392,246.66

Finding the Fourth Proportional to 847,327.34, 1,271,206.13 and 392,246.66

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Solution

The fourth proportional to 847,327.34, 1,271,206.13 and 392,246.66 is: 588,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,327.34 : 1,271,206.13 = 392,246.66 : x
  2. Step 2: Convert to fraction form
    847,327.34/1,271,206.13 = 392,246.66/x
  3. Step 3: Cross multiply
    847,327.34x = 1,271,206.13 × 392,246.66
  4. Step 4: Simplify right side
    847,327.34x = 498,626,358,664.03
  5. Step 5: Solve for x
    x = 498,626,358,664.03/847,327.34
  6. Step 6: Final answer
    x = 588,469.57

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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.