Home / 874,276.64-1,206,469.32-487,082.96

Finding the Fourth Proportional to 874,276.64, 1,206,469.32 and 487,082.96

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Solution

The fourth proportional to 874,276.64, 1,206,469.32 and 487,082.96 is: 672,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,276.64 : 1,206,469.32 = 487,082.96 : x
  2. Step 2: Convert to fraction form
    874,276.64/1,206,469.32 = 487,082.96/x
  3. Step 3: Cross multiply
    874,276.64x = 1,206,469.32 × 487,082.96
  4. Step 4: Simplify right side
    874,276.64x = 587,650,647,534.79
  5. Step 5: Solve for x
    x = 587,650,647,534.79/874,276.64
  6. Step 6: Final answer
    x = 672,156.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.