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Finding the Fourth Proportional to 950,139, 1,311,153.42 and 568,376.76

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Solution

The fourth proportional to 950,139, 1,311,153.42 and 568,376.76 is: 784,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,139 : 1,311,153.42 = 568,376.76 : x
  2. Step 2: Convert to fraction form
    950,139/1,311,153.42 = 568,376.76/x
  3. Step 3: Cross multiply
    950,139x = 1,311,153.42 × 568,376.76
  4. Step 4: Simplify right side
    950,139x = 745,229,132,722.52
  5. Step 5: Solve for x
    x = 745,229,132,722.52/950,139
  6. Step 6: Final answer
    x = 784,336.96

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Double scale
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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.