Home / 850,529.70-1,272,842.10-779,670.90

Finding the Fourth Proportional to 850,529.70, 1,272,842.10 and 779,670.90

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Solution

The fourth proportional to 850,529.70, 1,272,842.10 and 779,670.90 is: 1,166,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,529.70 : 1,272,842.10 = 779,670.90 : x
  2. Step 2: Convert to fraction form
    850,529.70/1,272,842.10 = 779,670.90/x
  3. Step 3: Cross multiply
    850,529.70x = 1,272,842.10 × 779,670.90
  4. Step 4: Simplify right side
    850,529.70x = 992,397,945,664.89
  5. Step 5: Solve for x
    x = 992,397,945,664.89/850,529.70
  6. Step 6: Final answer
    x = 1,166,799.87

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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.