Home / 689,916.56-1,034,879.43-240,635.75

Finding the Fourth Proportional to 689,916.56, 1,034,879.43 and 240,635.75

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Solution

The fourth proportional to 689,916.56, 1,034,879.43 and 240,635.75 is: 360,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,916.56 : 1,034,879.43 = 240,635.75 : x
  2. Step 2: Convert to fraction form
    689,916.56/1,034,879.43 = 240,635.75/x
  3. Step 3: Cross multiply
    689,916.56x = 1,034,879.43 × 240,635.75
  4. Step 4: Simplify right side
    689,916.56x = 249,028,987,797.62
  5. Step 5: Solve for x
    x = 249,028,987,797.62/689,916.56
  6. Step 6: Final answer
    x = 360,955.23

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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.