Home / 987,695.81-1,481,544.23-277,723.85

Finding the Fourth Proportional to 987,695.81, 1,481,544.23 and 277,723.85

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Solution

The fourth proportional to 987,695.81, 1,481,544.23 and 277,723.85 is: 416,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,695.81 : 1,481,544.23 = 277,723.85 : x
  2. Step 2: Convert to fraction form
    987,695.81/1,481,544.23 = 277,723.85/x
  3. Step 3: Cross multiply
    987,695.81x = 1,481,544.23 × 277,723.85
  4. Step 4: Simplify right side
    987,695.81x = 411,460,158,704.55
  5. Step 5: Solve for x
    x = 411,460,158,704.55/987,695.81
  6. Step 6: Final answer
    x = 416,585.91

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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.