Home / 782,181.94-1,079,426.40-510,423.70

Finding the Fourth Proportional to 782,181.94, 1,079,426.40 and 510,423.70

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Solution

The fourth proportional to 782,181.94, 1,079,426.40 and 510,423.70 is: 704,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,181.94 : 1,079,426.40 = 510,423.70 : x
  2. Step 2: Convert to fraction form
    782,181.94/1,079,426.40 = 510,423.70/x
  3. Step 3: Cross multiply
    782,181.94x = 1,079,426.40 × 510,423.70
  4. Step 4: Simplify right side
    782,181.94x = 550,964,816,965.68
  5. Step 5: Solve for x
    x = 550,964,816,965.68/782,181.94
  6. Step 6: Final answer
    x = 704,394.71

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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.