Home / 654,246.20-981,660.90-299,077.40

Finding the Fourth Proportional to 654,246.20, 981,660.90 and 299,077.40

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Solution

The fourth proportional to 654,246.20, 981,660.90 and 299,077.40 is: 448,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,246.20 : 981,660.90 = 299,077.40 : x
  2. Step 2: Convert to fraction form
    654,246.20/981,660.90 = 299,077.40/x
  3. Step 3: Cross multiply
    654,246.20x = 981,660.90 × 299,077.40
  4. Step 4: Simplify right side
    654,246.20x = 293,592,589,653.66
  5. Step 5: Solve for x
    x = 293,592,589,653.66/654,246.20
  6. Step 6: Final answer
    x = 448,749.40

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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.