Home / 820,908.24-1,132,541.64-498,496.56

Finding the Fourth Proportional to 820,908.24, 1,132,541.64 and 498,496.56

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Solution

The fourth proportional to 820,908.24, 1,132,541.64 and 498,496.56 is: 687,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,908.24 : 1,132,541.64 = 498,496.56 : x
  2. Step 2: Convert to fraction form
    820,908.24/1,132,541.64 = 498,496.56/x
  3. Step 3: Cross multiply
    820,908.24x = 1,132,541.64 × 498,496.56
  4. Step 4: Simplify right side
    820,908.24x = 564,568,111,596.76
  5. Step 5: Solve for x
    x = 564,568,111,596.76/820,908.24
  6. Step 6: Final answer
    x = 687,735.95

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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.