Home / 858,738.73-1,288,698.54-297,773.23

Finding the Fourth Proportional to 858,738.73, 1,288,698.54 and 297,773.23

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Solution

The fourth proportional to 858,738.73, 1,288,698.54 and 297,773.23 is: 446,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,738.73 : 1,288,698.54 = 297,773.23 : x
  2. Step 2: Convert to fraction form
    858,738.73/1,288,698.54 = 297,773.23/x
  3. Step 3: Cross multiply
    858,738.73x = 1,288,698.54 × 297,773.23
  4. Step 4: Simplify right side
    858,738.73x = 383,739,926,752.08
  5. Step 5: Solve for x
    x = 383,739,926,752.08/858,738.73
  6. Step 6: Final answer
    x = 446,864.59

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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.