Home / 938,917.98-1,408,337.82-433,310.94

Finding the Fourth Proportional to 938,917.98, 1,408,337.82 and 433,310.94

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Solution

The fourth proportional to 938,917.98, 1,408,337.82 and 433,310.94 is: 649,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,917.98 : 1,408,337.82 = 433,310.94 : x
  2. Step 2: Convert to fraction form
    938,917.98/1,408,337.82 = 433,310.94/x
  3. Step 3: Cross multiply
    938,917.98x = 1,408,337.82 × 433,310.94
  4. Step 4: Simplify right side
    938,917.98x = 610,248,184,621.75
  5. Step 5: Solve for x
    x = 610,248,184,621.75/938,917.98
  6. Step 6: Final answer
    x = 649,948.34

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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.