Home / 820,206.92-1,132,445.22-530,520.68

Finding the Fourth Proportional to 820,206.92, 1,132,445.22 and 530,520.68

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Solution

The fourth proportional to 820,206.92, 1,132,445.22 and 530,520.68 is: 732,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,206.92 : 1,132,445.22 = 530,520.68 : x
  2. Step 2: Convert to fraction form
    820,206.92/1,132,445.22 = 530,520.68/x
  3. Step 3: Cross multiply
    820,206.92x = 1,132,445.22 × 530,520.68
  4. Step 4: Simplify right side
    820,206.92x = 600,785,608,177.15
  5. Step 5: Solve for x
    x = 600,785,608,177.15/820,206.92
  6. Step 6: Final answer
    x = 732,480.54

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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.