Home / 999,549.56-1,379,379.31-546,840.56

Finding the Fourth Proportional to 999,549.56, 1,379,379.31 and 546,840.56

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Solution

The fourth proportional to 999,549.56, 1,379,379.31 and 546,840.56 is: 754,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549.56 : 1,379,379.31 = 546,840.56 : x
  2. Step 2: Convert to fraction form
    999,549.56/1,379,379.31 = 546,840.56/x
  3. Step 3: Cross multiply
    999,549.56x = 1,379,379.31 × 546,840.56
  4. Step 4: Simplify right side
    999,549.56x = 754,300,556,414.16
  5. Step 5: Solve for x
    x = 754,300,556,414.16/999,549.56
  6. Step 6: Final answer
    x = 754,640.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.