Home / 938,692.94-1,407,204.23-339,520.82

Finding the Fourth Proportional to 938,692.94, 1,407,204.23 and 339,520.82

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Solution

The fourth proportional to 938,692.94, 1,407,204.23 and 339,520.82 is: 508,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,692.94 : 1,407,204.23 = 339,520.82 : x
  2. Step 2: Convert to fraction form
    938,692.94/1,407,204.23 = 339,520.82/x
  3. Step 3: Cross multiply
    938,692.94x = 1,407,204.23 × 339,520.82
  4. Step 4: Simplify right side
    938,692.94x = 477,775,125,343.44
  5. Step 5: Solve for x
    x = 477,775,125,343.44/938,692.94
  6. Step 6: Final answer
    x = 508,979.14

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1.5x scale

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.