Home / 896,399.24-1,236,986.88-488,499.85

Finding the Fourth Proportional to 896,399.24, 1,236,986.88 and 488,499.85

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Solution

The fourth proportional to 896,399.24, 1,236,986.88 and 488,499.85 is: 674,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,399.24 : 1,236,986.88 = 488,499.85 : x
  2. Step 2: Convert to fraction form
    896,399.24/1,236,986.88 = 488,499.85/x
  3. Step 3: Cross multiply
    896,399.24x = 1,236,986.88 × 488,499.85
  4. Step 4: Simplify right side
    896,399.24x = 604,267,899,147.03
  5. Step 5: Solve for x
    x = 604,267,899,147.03/896,399.24
  6. Step 6: Final answer
    x = 674,105.77

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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.