Home / 782,284.16-1,079,367.14-442,752.40

Finding the Fourth Proportional to 782,284.16, 1,079,367.14 and 442,752.40

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Solution

The fourth proportional to 782,284.16, 1,079,367.14 and 442,752.40 is: 610,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,284.16 : 1,079,367.14 = 442,752.40 : x
  2. Step 2: Convert to fraction form
    782,284.16/1,079,367.14 = 442,752.40/x
  3. Step 3: Cross multiply
    782,284.16x = 1,079,367.14 × 442,752.40
  4. Step 4: Simplify right side
    782,284.16x = 477,892,391,716.14
  5. Step 5: Solve for x
    x = 477,892,391,716.14/782,284.16
  6. Step 6: Final answer
    x = 610,893.61

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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.