Home / 896,400.24-1,236,988.26-488,500.85

Finding the Fourth Proportional to 896,400.24, 1,236,988.26 and 488,500.85

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Solution

The fourth proportional to 896,400.24, 1,236,988.26 and 488,500.85 is: 674,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,400.24 : 1,236,988.26 = 488,500.85 : x
  2. Step 2: Convert to fraction form
    896,400.24/1,236,988.26 = 488,500.85/x
  3. Step 3: Cross multiply
    896,400.24x = 1,236,988.26 × 488,500.85
  4. Step 4: Simplify right side
    896,400.24x = 604,269,810,265.08
  5. Step 5: Solve for x
    x = 604,269,810,265.08/896,400.24
  6. Step 6: Final answer
    x = 674,107.15

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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.