Home / 987,256.17-1,480,939.66-277,228.85

Finding the Fourth Proportional to 987,256.17, 1,480,939.66 and 277,228.85

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Solution

The fourth proportional to 987,256.17, 1,480,939.66 and 277,228.85 is: 415,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,256.17 : 1,480,939.66 = 277,228.85 : x
  2. Step 2: Convert to fraction form
    987,256.17/1,480,939.66 = 277,228.85/x
  3. Step 3: Cross multiply
    987,256.17x = 1,480,939.66 × 277,228.85
  4. Step 4: Simplify right side
    987,256.17x = 410,559,198,861.19
  5. Step 5: Solve for x
    x = 410,559,198,861.19/987,256.17
  6. Step 6: Final answer
    x = 415,858.83

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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.