Home / 906,176.70-1,359,265.05-315,200.70

Finding the Fourth Proportional to 906,176.70, 1,359,265.05 and 315,200.70

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Solution

The fourth proportional to 906,176.70, 1,359,265.05 and 315,200.70 is: 472,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,176.70 : 1,359,265.05 = 315,200.70 : x
  2. Step 2: Convert to fraction form
    906,176.70/1,359,265.05 = 315,200.70/x
  3. Step 3: Cross multiply
    906,176.70x = 1,359,265.05 × 315,200.70
  4. Step 4: Simplify right side
    906,176.70x = 428,441,295,245.54
  5. Step 5: Solve for x
    x = 428,441,295,245.54/906,176.70
  6. Step 6: Final answer
    x = 472,801.05

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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.