Home / 782,183.94-1,079,429.16-510,425.70

Finding the Fourth Proportional to 782,183.94, 1,079,429.16 and 510,425.70

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Solution

The fourth proportional to 782,183.94, 1,079,429.16 and 510,425.70 is: 704,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,183.94 : 1,079,429.16 = 510,425.70 : x
  2. Step 2: Convert to fraction form
    782,183.94/1,079,429.16 = 510,425.70/x
  3. Step 3: Cross multiply
    782,183.94x = 1,079,429.16 × 510,425.70
  4. Step 4: Simplify right side
    782,183.94x = 550,968,384,593.41
  5. Step 5: Solve for x
    x = 550,968,384,593.41/782,183.94
  6. Step 6: Final answer
    x = 704,397.47

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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.