Home / 726,898.20-1,091,384.10-550,642.20

Finding the Fourth Proportional to 726,898.20, 1,091,384.10 and 550,642.20

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Solution

The fourth proportional to 726,898.20, 1,091,384.10 and 550,642.20 is: 826,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,898.20 : 1,091,384.10 = 550,642.20 : x
  2. Step 2: Convert to fraction form
    726,898.20/1,091,384.10 = 550,642.20/x
  3. Step 3: Cross multiply
    726,898.20x = 1,091,384.10 × 550,642.20
  4. Step 4: Simplify right side
    726,898.20x = 600,962,141,869.02
  5. Step 5: Solve for x
    x = 600,962,141,869.02/726,898.20
  6. Step 6: Final answer
    x = 826,748.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.