Home / 850,478.92-1,275,764.94-344,964.84

Finding the Fourth Proportional to 850,478.92, 1,275,764.94 and 344,964.84

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Solution

The fourth proportional to 850,478.92, 1,275,764.94 and 344,964.84 is: 517,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,478.92 : 1,275,764.94 = 344,964.84 : x
  2. Step 2: Convert to fraction form
    850,478.92/1,275,764.94 = 344,964.84/x
  3. Step 3: Cross multiply
    850,478.92x = 1,275,764.94 × 344,964.84
  4. Step 4: Simplify right side
    850,478.92x = 440,094,048,404.71
  5. Step 5: Solve for x
    x = 440,094,048,404.71/850,478.92
  6. Step 6: Final answer
    x = 517,466.15

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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.