Home / 879,014.33-1,318,572.53-339,273.61

Finding the Fourth Proportional to 879,014.33, 1,318,572.53 and 339,273.61

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Solution

The fourth proportional to 879,014.33, 1,318,572.53 and 339,273.61 is: 508,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,014.33 : 1,318,572.53 = 339,273.61 : x
  2. Step 2: Convert to fraction form
    879,014.33/1,318,572.53 = 339,273.61/x
  3. Step 3: Cross multiply
    879,014.33x = 1,318,572.53 × 339,273.61
  4. Step 4: Simplify right side
    879,014.33x = 447,356,862,287.90
  5. Step 5: Solve for x
    x = 447,356,862,287.90/879,014.33
  6. Step 6: Final answer
    x = 508,930.11

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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.