Home / 707,966.70-1,061,950.05-209,330.70

Finding the Fourth Proportional to 707,966.70, 1,061,950.05 and 209,330.70

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Solution

The fourth proportional to 707,966.70, 1,061,950.05 and 209,330.70 is: 313,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,966.70 : 1,061,950.05 = 209,330.70 : x
  2. Step 2: Convert to fraction form
    707,966.70/1,061,950.05 = 209,330.70/x
  3. Step 3: Cross multiply
    707,966.70x = 1,061,950.05 × 209,330.70
  4. Step 4: Simplify right side
    707,966.70x = 222,298,747,331.54
  5. Step 5: Solve for x
    x = 222,298,747,331.54/707,966.70
  6. Step 6: Final answer
    x = 313,996.05

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Similar ratio
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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.