Home / 858,568.72-1,287,561.48-297,472.24

Finding the Fourth Proportional to 858,568.72, 1,287,561.48 and 297,472.24

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Solution

The fourth proportional to 858,568.72, 1,287,561.48 and 297,472.24 is: 446,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,568.72 : 1,287,561.48 = 297,472.24 : x
  2. Step 2: Convert to fraction form
    858,568.72/1,287,561.48 = 297,472.24/x
  3. Step 3: Cross multiply
    858,568.72x = 1,287,561.48 × 297,472.24
  4. Step 4: Simplify right side
    858,568.72x = 383,013,797,593.32
  5. Step 5: Solve for x
    x = 383,013,797,593.32/858,568.72
  6. Step 6: Final answer
    x = 446,107.33

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Double scale
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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.