Home / 896,217.30-1,236,764.24-488,322.53

Finding the Fourth Proportional to 896,217.30, 1,236,764.24 and 488,322.53

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Solution

The fourth proportional to 896,217.30, 1,236,764.24 and 488,322.53 is: 673,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,217.30 : 1,236,764.24 = 488,322.53 : x
  2. Step 2: Convert to fraction form
    896,217.30/1,236,764.24 = 488,322.53/x
  3. Step 3: Cross multiply
    896,217.30x = 1,236,764.24 × 488,322.53
  4. Step 4: Simplify right side
    896,217.30x = 603,939,834,064.89
  5. Step 5: Solve for x
    x = 603,939,834,064.89/896,217.30
  6. Step 6: Final answer
    x = 673,876.56

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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.