Home / 689,914.24-1,035,043.62-240,641.56

Finding the Fourth Proportional to 689,914.24, 1,035,043.62 and 240,641.56

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Solution

The fourth proportional to 689,914.24, 1,035,043.62 and 240,641.56 is: 361,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,914.24 : 1,035,043.62 = 240,641.56 : x
  2. Step 2: Convert to fraction form
    689,914.24/1,035,043.62 = 240,641.56/x
  3. Step 3: Cross multiply
    689,914.24x = 1,035,043.62 × 240,641.56
  4. Step 4: Simplify right side
    689,914.24x = 249,074,511,384.85
  5. Step 5: Solve for x
    x = 249,074,511,384.85/689,914.24
  6. Step 6: Final answer
    x = 361,022.42

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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.