Home / 820,299.24-1,132,011.42-457,701.24

Finding the Fourth Proportional to 820,299.24, 1,132,011.42 and 457,701.24

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Solution

The fourth proportional to 820,299.24, 1,132,011.42 and 457,701.24 is: 631,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,299.24 : 1,132,011.42 = 457,701.24 : x
  2. Step 2: Convert to fraction form
    820,299.24/1,132,011.42 = 457,701.24/x
  3. Step 3: Cross multiply
    820,299.24x = 1,132,011.42 × 457,701.24
  4. Step 4: Simplify right side
    820,299.24x = 518,123,030,628.16
  5. Step 5: Solve for x
    x = 518,123,030,628.16/820,299.24
  6. Step 6: Final answer
    x = 631,626.86

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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.