Home / 347,405.25-517,311.82-334,636.95

Finding the Fourth Proportional to 347,405.25, 517,311.82 and 334,636.95

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Solution

The fourth proportional to 347,405.25, 517,311.82 and 334,636.95 is: 498,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,405.25 : 517,311.82 = 334,636.95 : x
  2. Step 2: Convert to fraction form
    347,405.25/517,311.82 = 334,636.95/x
  3. Step 3: Cross multiply
    347,405.25x = 517,311.82 × 334,636.95
  4. Step 4: Simplify right side
    347,405.25x = 173,111,648,807.16
  5. Step 5: Solve for x
    x = 173,111,648,807.16/347,405.25
  6. Step 6: Final answer
    x = 498,298.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.