Home / 729,140.40-1,093,710.60-374,190.30

Finding the Fourth Proportional to 729,140.40, 1,093,710.60 and 374,190.30

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Solution

The fourth proportional to 729,140.40, 1,093,710.60 and 374,190.30 is: 561,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,140.40 : 1,093,710.60 = 374,190.30 : x
  2. Step 2: Convert to fraction form
    729,140.40/1,093,710.60 = 374,190.30/x
  3. Step 3: Cross multiply
    729,140.40x = 1,093,710.60 × 374,190.30
  4. Step 4: Simplify right side
    729,140.40x = 409,255,897,527.18
  5. Step 5: Solve for x
    x = 409,255,897,527.18/729,140.40
  6. Step 6: Final answer
    x = 561,285.45

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Similar ratio
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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.