Home / 724,374.40-1,086,950.40-303,692.80

Finding the Fourth Proportional to 724,374.40, 1,086,950.40 and 303,692.80

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Solution

The fourth proportional to 724,374.40, 1,086,950.40 and 303,692.80 is: 455,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,374.40 : 1,086,950.40 = 303,692.80 : x
  2. Step 2: Convert to fraction form
    724,374.40/1,086,950.40 = 303,692.80/x
  3. Step 3: Cross multiply
    724,374.40x = 1,086,950.40 × 303,692.80
  4. Step 4: Simplify right side
    724,374.40x = 330,099,010,437.12
  5. Step 5: Solve for x
    x = 330,099,010,437.12/724,374.40
  6. Step 6: Final answer
    x = 455,702.20

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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.