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Finding the Fourth Proportional to 339,077.90, 508,746.45 and 333,764.30

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Solution

The fourth proportional to 339,077.90, 508,746.45 and 333,764.30 is: 500,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,077.90 : 508,746.45 = 333,764.30 : x
  2. Step 2: Convert to fraction form
    339,077.90/508,746.45 = 333,764.30/x
  3. Step 3: Cross multiply
    339,077.90x = 508,746.45 × 333,764.30
  4. Step 4: Simplify right side
    339,077.90x = 169,801,402,761.74
  5. Step 5: Solve for x
    x = 169,801,402,761.74/339,077.90
  6. Step 6: Final answer
    x = 500,774.02

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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.