Home / 782,228.94-1,079,491.26-510,470.70

Finding the Fourth Proportional to 782,228.94, 1,079,491.26 and 510,470.70

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Solution

The fourth proportional to 782,228.94, 1,079,491.26 and 510,470.70 is: 704,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,228.94 : 1,079,491.26 = 510,470.70 : x
  2. Step 2: Convert to fraction form
    782,228.94/1,079,491.26 = 510,470.70/x
  3. Step 3: Cross multiply
    782,228.94x = 1,079,491.26 × 510,470.70
  4. Step 4: Simplify right side
    782,228.94x = 551,048,659,136.08
  5. Step 5: Solve for x
    x = 551,048,659,136.08/782,228.94
  6. Step 6: Final answer
    x = 704,459.57

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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.