Home / 899,541.62-1,348,818.23-443,128.57

Finding the Fourth Proportional to 899,541.62, 1,348,818.23 and 443,128.57

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Solution

The fourth proportional to 899,541.62, 1,348,818.23 and 443,128.57 is: 664,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,541.62 : 1,348,818.23 = 443,128.57 : x
  2. Step 2: Convert to fraction form
    899,541.62/1,348,818.23 = 443,128.57/x
  3. Step 3: Cross multiply
    899,541.62x = 1,348,818.23 × 443,128.57
  4. Step 4: Simplify right side
    899,541.62x = 597,699,887,862.14
  5. Step 5: Solve for x
    x = 597,699,887,862.14/899,541.62
  6. Step 6: Final answer
    x = 664,449.40

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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.