Home / 782,511.14-1,079,849.13-424,815.14

Finding the Fourth Proportional to 782,511.14, 1,079,849.13 and 424,815.14

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Solution

The fourth proportional to 782,511.14, 1,079,849.13 and 424,815.14 is: 586,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,511.14 : 1,079,849.13 = 424,815.14 : x
  2. Step 2: Convert to fraction form
    782,511.14/1,079,849.13 = 424,815.14/x
  3. Step 3: Cross multiply
    782,511.14x = 1,079,849.13 × 424,815.14
  4. Step 4: Simplify right side
    782,511.14x = 458,736,259,339.83
  5. Step 5: Solve for x
    x = 458,736,259,339.83/782,511.14
  6. Step 6: Final answer
    x = 586,236.07

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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.