Home / 782,122.92-1,079,329.62-424,426.92

Finding the Fourth Proportional to 782,122.92, 1,079,329.62 and 424,426.92

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Solution

The fourth proportional to 782,122.92, 1,079,329.62 and 424,426.92 is: 585,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,122.92 : 1,079,329.62 = 424,426.92 : x
  2. Step 2: Convert to fraction form
    782,122.92/1,079,329.62 = 424,426.92/x
  3. Step 3: Cross multiply
    782,122.92x = 1,079,329.62 × 424,426.92
  4. Step 4: Simplify right side
    782,122.92x = 458,096,546,281.37
  5. Step 5: Solve for x
    x = 458,096,546,281.37/782,122.92
  6. Step 6: Final answer
    x = 585,709.14

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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.