Home / 801,344.40-1,201,627.80-445,981.20

Finding the Fourth Proportional to 801,344.40, 1,201,627.80 and 445,981.20

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Solution

The fourth proportional to 801,344.40, 1,201,627.80 and 445,981.20 is: 668,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,344.40 : 1,201,627.80 = 445,981.20 : x
  2. Step 2: Convert to fraction form
    801,344.40/1,201,627.80 = 445,981.20/x
  3. Step 3: Cross multiply
    801,344.40x = 1,201,627.80 × 445,981.20
  4. Step 4: Simplify right side
    801,344.40x = 535,903,408,197.36
  5. Step 5: Solve for x
    x = 535,903,408,197.36/801,344.40
  6. Step 6: Final answer
    x = 668,755.42

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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.