Home / 899,543.87-1,348,821.60-443,130.82

Finding the Fourth Proportional to 899,543.87, 1,348,821.60 and 443,130.82

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Solution

The fourth proportional to 899,543.87, 1,348,821.60 and 443,130.82 is: 664,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,543.87 : 1,348,821.60 = 443,130.82 : x
  2. Step 2: Convert to fraction form
    899,543.87/1,348,821.60 = 443,130.82/x
  3. Step 3: Cross multiply
    899,543.87x = 1,348,821.60 × 443,130.82
  4. Step 4: Simplify right side
    899,543.87x = 597,704,418,269.66
  5. Step 5: Solve for x
    x = 597,704,418,269.66/899,543.87
  6. Step 6: Final answer
    x = 664,452.77

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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.