Home / 540,741.20-746,183.40-299,026.64

Finding the Fourth Proportional to 540,741.20, 746,183.40 and 299,026.64

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Solution

The fourth proportional to 540,741.20, 746,183.40 and 299,026.64 is: 412,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,741.20 : 746,183.40 = 299,026.64 : x
  2. Step 2: Convert to fraction form
    540,741.20/746,183.40 = 299,026.64/x
  3. Step 3: Cross multiply
    540,741.20x = 746,183.40 × 299,026.64
  4. Step 4: Simplify right side
    540,741.20x = 223,128,714,925.78
  5. Step 5: Solve for x
    x = 223,128,714,925.78/540,741.20
  6. Step 6: Final answer
    x = 412,634.94

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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.