Home / 782,182.20-1,079,426.76-510,423.96

Finding the Fourth Proportional to 782,182.20, 1,079,426.76 and 510,423.96

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Solution

The fourth proportional to 782,182.20, 1,079,426.76 and 510,423.96 is: 704,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,182.20 : 1,079,426.76 = 510,423.96 : x
  2. Step 2: Convert to fraction form
    782,182.20/1,079,426.76 = 510,423.96/x
  3. Step 3: Cross multiply
    782,182.20x = 1,079,426.76 × 510,423.96
  4. Step 4: Simplify right side
    782,182.20x = 550,965,281,369.17
  5. Step 5: Solve for x
    x = 550,965,281,369.17/782,182.20
  6. Step 6: Final answer
    x = 704,395.06

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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.