Home / 767,456.32-1,150,692.27-318,487.09

Finding the Fourth Proportional to 767,456.32, 1,150,692.27 and 318,487.09

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Solution

The fourth proportional to 767,456.32, 1,150,692.27 and 318,487.09 is: 477,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,456.32 : 1,150,692.27 = 318,487.09 : x
  2. Step 2: Convert to fraction form
    767,456.32/1,150,692.27 = 318,487.09/x
  3. Step 3: Cross multiply
    767,456.32x = 1,150,692.27 × 318,487.09
  4. Step 4: Simplify right side
    767,456.32x = 366,480,632,557.79
  5. Step 5: Solve for x
    x = 366,480,632,557.79/767,456.32
  6. Step 6: Final answer
    x = 477,526.37

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Double scale
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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.