Home / 724,539.33-1,086,459.44-303,702.21

Finding the Fourth Proportional to 724,539.33, 1,086,459.44 and 303,702.21

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Solution

The fourth proportional to 724,539.33, 1,086,459.44 and 303,702.21 is: 455,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,539.33 : 1,086,459.44 = 303,702.21 : x
  2. Step 2: Convert to fraction form
    724,539.33/1,086,459.44 = 303,702.21/x
  3. Step 3: Cross multiply
    724,539.33x = 1,086,459.44 × 303,702.21
  4. Step 4: Simplify right side
    724,539.33x = 329,960,131,484.85
  5. Step 5: Solve for x
    x = 329,960,131,484.85/724,539.33
  6. Step 6: Final answer
    x = 455,406.79

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Double scale
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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.