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Finding the Fourth Proportional to 577,316.77, 796,683.37 and 322,691.65

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Solution

The fourth proportional to 577,316.77, 796,683.37 and 322,691.65 is: 445,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,316.77 : 796,683.37 = 322,691.65 : x
  2. Step 2: Convert to fraction form
    577,316.77/796,683.37 = 322,691.65/x
  3. Step 3: Cross multiply
    577,316.77x = 796,683.37 × 322,691.65
  4. Step 4: Simplify right side
    577,316.77x = 257,083,068,394.42
  5. Step 5: Solve for x
    x = 257,083,068,394.42/577,316.77
  6. Step 6: Final answer
    x = 445,306.78

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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.