Home / 782,262.76-1,079,523.30-424,566.76

Finding the Fourth Proportional to 782,262.76, 1,079,523.30 and 424,566.76

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Solution

The fourth proportional to 782,262.76, 1,079,523.30 and 424,566.76 is: 585,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,262.76 : 1,079,523.30 = 424,566.76 : x
  2. Step 2: Convert to fraction form
    782,262.76/1,079,523.30 = 424,566.76/x
  3. Step 3: Cross multiply
    782,262.76x = 1,079,523.30 × 424,566.76
  4. Step 4: Simplify right side
    782,262.76x = 458,329,709,825.51
  5. Step 5: Solve for x
    x = 458,329,709,825.51/782,262.76
  6. Step 6: Final answer
    x = 585,902.50

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Half scale
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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.