Home / 863,246.10-1,294,869.15-443,342.10

Finding the Fourth Proportional to 863,246.10, 1,294,869.15 and 443,342.10

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Solution

The fourth proportional to 863,246.10, 1,294,869.15 and 443,342.10 is: 665,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,246.10 : 1,294,869.15 = 443,342.10 : x
  2. Step 2: Convert to fraction form
    863,246.10/1,294,869.15 = 443,342.10/x
  3. Step 3: Cross multiply
    863,246.10x = 1,294,869.15 × 443,342.10
  4. Step 4: Simplify right side
    863,246.10x = 574,070,008,186.22
  5. Step 5: Solve for x
    x = 574,070,008,186.22/863,246.10
  6. Step 6: Final answer
    x = 665,013.15

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Double scale
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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.