Home / 711,692.70-1,067,539.05-291,270.30

Finding the Fourth Proportional to 711,692.70, 1,067,539.05 and 291,270.30

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Solution

The fourth proportional to 711,692.70, 1,067,539.05 and 291,270.30 is: 436,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,692.70 : 1,067,539.05 = 291,270.30 : x
  2. Step 2: Convert to fraction form
    711,692.70/1,067,539.05 = 291,270.30/x
  3. Step 3: Cross multiply
    711,692.70x = 1,067,539.05 × 291,270.30
  4. Step 4: Simplify right side
    711,692.70x = 310,942,419,355.22
  5. Step 5: Solve for x
    x = 310,942,419,355.22/711,692.70
  6. Step 6: Final answer
    x = 436,905.45

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Double scale
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Similar ratio
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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.