Home / 522,826.20-784,223.10-148,849.20

Finding the Fourth Proportional to 522,826.20, 784,223.10 and 148,849.20

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Solution

The fourth proportional to 522,826.20, 784,223.10 and 148,849.20 is: 223,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,826.20 : 784,223.10 = 148,849.20 : x
  2. Step 2: Convert to fraction form
    522,826.20/784,223.10 = 148,849.20/x
  3. Step 3: Cross multiply
    522,826.20x = 784,223.10 × 148,849.20
  4. Step 4: Simplify right side
    522,826.20x = 116,730,981,056.52
  5. Step 5: Solve for x
    x = 116,730,981,056.52/522,826.20
  6. Step 6: Final answer
    x = 223,269.19

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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.