Home / 987,082.80-1,480,624.20-277,231.20

Finding the Fourth Proportional to 987,082.80, 1,480,624.20 and 277,231.20

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Solution

The fourth proportional to 987,082.80, 1,480,624.20 and 277,231.20 is: 415,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,082.80 : 1,480,624.20 = 277,231.20 : x
  2. Step 2: Convert to fraction form
    987,082.80/1,480,624.20 = 277,231.20/x
  3. Step 3: Cross multiply
    987,082.80x = 1,480,624.20 × 277,231.20
  4. Step 4: Simplify right side
    987,082.80x = 410,475,223,715.04
  5. Step 5: Solve for x
    x = 410,475,223,715.04/987,082.80
  6. Step 6: Final answer
    x = 415,846.80

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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.