Home / 946,171.20-1,419,483.60-315,090.48

Finding the Fourth Proportional to 946,171.20, 1,419,483.60 and 315,090.48

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Solution

The fourth proportional to 946,171.20, 1,419,483.60 and 315,090.48 is: 472,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,171.20 : 1,419,483.60 = 315,090.48 : x
  2. Step 2: Convert to fraction form
    946,171.20/1,419,483.60 = 315,090.48/x
  3. Step 3: Cross multiply
    946,171.20x = 1,419,483.60 × 315,090.48
  4. Step 4: Simplify right side
    946,171.20x = 447,265,768,876.13
  5. Step 5: Solve for x
    x = 447,265,768,876.13/946,171.20
  6. Step 6: Final answer
    x = 472,711.25

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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.