Home / 344,723.40-517,085.10-339,474.60

Finding the Fourth Proportional to 344,723.40, 517,085.10 and 339,474.60

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Solution

The fourth proportional to 344,723.40, 517,085.10 and 339,474.60 is: 509,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,723.40 : 517,085.10 = 339,474.60 : x
  2. Step 2: Convert to fraction form
    344,723.40/517,085.10 = 339,474.60/x
  3. Step 3: Cross multiply
    344,723.40x = 517,085.10 × 339,474.60
  4. Step 4: Simplify right side
    344,723.40x = 175,537,257,488.46
  5. Step 5: Solve for x
    x = 175,537,257,488.46/344,723.40
  6. Step 6: Final answer
    x = 509,211.90

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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.