Home / 734,486.40-1,101,729.60-496,540.80

Finding the Fourth Proportional to 734,486.40, 1,101,729.60 and 496,540.80

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Solution

The fourth proportional to 734,486.40, 1,101,729.60 and 496,540.80 is: 744,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,486.40 : 1,101,729.60 = 496,540.80 : x
  2. Step 2: Convert to fraction form
    734,486.40/1,101,729.60 = 496,540.80/x
  3. Step 3: Cross multiply
    734,486.40x = 1,101,729.60 × 496,540.80
  4. Step 4: Simplify right side
    734,486.40x = 547,053,696,967.68
  5. Step 5: Solve for x
    x = 547,053,696,967.68/734,486.40
  6. Step 6: Final answer
    x = 744,811.20

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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.