Home / 389,916.20-584,874.30-366,296.60

Finding the Fourth Proportional to 389,916.20, 584,874.30 and 366,296.60

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Solution

The fourth proportional to 389,916.20, 584,874.30 and 366,296.60 is: 549,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,916.20 : 584,874.30 = 366,296.60 : x
  2. Step 2: Convert to fraction form
    389,916.20/584,874.30 = 366,296.60/x
  3. Step 3: Cross multiply
    389,916.20x = 584,874.30 × 366,296.60
  4. Step 4: Simplify right side
    389,916.20x = 214,237,467,517.38
  5. Step 5: Solve for x
    x = 214,237,467,517.38/389,916.20
  6. Step 6: Final answer
    x = 549,444.90

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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.