Home / 858,674.04-1,288,601.58-297,708.54

Finding the Fourth Proportional to 858,674.04, 1,288,601.58 and 297,708.54

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Solution

The fourth proportional to 858,674.04, 1,288,601.58 and 297,708.54 is: 446,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,674.04 : 1,288,601.58 = 297,708.54 : x
  2. Step 2: Convert to fraction form
    858,674.04/1,288,601.58 = 297,708.54/x
  3. Step 3: Cross multiply
    858,674.04x = 1,288,601.58 × 297,708.54
  4. Step 4: Simplify right side
    858,674.04x = 383,627,695,023.49
  5. Step 5: Solve for x
    x = 383,627,695,023.49/858,674.04
  6. Step 6: Final answer
    x = 446,767.55

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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.