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Finding the Fourth Proportional to 540,740.20, 746,182.02 and 299,025.64

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Solution

The fourth proportional to 540,740.20, 746,182.02 and 299,025.64 is: 412,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,740.20 : 746,182.02 = 299,025.64 : x
  2. Step 2: Convert to fraction form
    540,740.20/746,182.02 = 299,025.64/x
  3. Step 3: Cross multiply
    540,740.20x = 746,182.02 × 299,025.64
  4. Step 4: Simplify right side
    540,740.20x = 223,127,556,086.99
  5. Step 5: Solve for x
    x = 223,127,556,086.99/540,740.20
  6. Step 6: Final answer
    x = 412,633.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.