Home / 707,918.70-1,061,878.05-209,282.70

Finding the Fourth Proportional to 707,918.70, 1,061,878.05 and 209,282.70

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Solution

The fourth proportional to 707,918.70, 1,061,878.05 and 209,282.70 is: 313,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,918.70 : 1,061,878.05 = 209,282.70 : x
  2. Step 2: Convert to fraction form
    707,918.70/1,061,878.05 = 209,282.70/x
  3. Step 3: Cross multiply
    707,918.70x = 1,061,878.05 × 209,282.70
  4. Step 4: Simplify right side
    707,918.70x = 222,232,705,374.74
  5. Step 5: Solve for x
    x = 222,232,705,374.74/707,918.70
  6. Step 6: Final answer
    x = 313,924.05

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Similar ratio
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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.