Home / 707,917.70-1,061,876.55-209,281.70

Finding the Fourth Proportional to 707,917.70, 1,061,876.55 and 209,281.70

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Solution

The fourth proportional to 707,917.70, 1,061,876.55 and 209,281.70 is: 313,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,917.70 : 1,061,876.55 = 209,281.70 : x
  2. Step 2: Convert to fraction form
    707,917.70/1,061,876.55 = 209,281.70/x
  3. Step 3: Cross multiply
    707,917.70x = 1,061,876.55 × 209,281.70
  4. Step 4: Simplify right side
    707,917.70x = 222,231,329,574.14
  5. Step 5: Solve for x
    x = 222,231,329,574.14/707,917.70
  6. Step 6: Final answer
    x = 313,922.55

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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.