Home / 642,324.38-964,084.36-327,017.30

Finding the Fourth Proportional to 642,324.38, 964,084.36 and 327,017.30

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Solution

The fourth proportional to 642,324.38, 964,084.36 and 327,017.30 is: 490,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,324.38 : 964,084.36 = 327,017.30 : x
  2. Step 2: Convert to fraction form
    642,324.38/964,084.36 = 327,017.30/x
  3. Step 3: Cross multiply
    642,324.38x = 964,084.36 × 327,017.30
  4. Step 4: Simplify right side
    642,324.38x = 315,272,264,379.43
  5. Step 5: Solve for x
    x = 315,272,264,379.43/642,324.38
  6. Step 6: Final answer
    x = 490,830.29

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1.5x scale

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.