Home / 711,918.71-1,067,758.99-312,452.22

Finding the Fourth Proportional to 711,918.71, 1,067,758.99 and 312,452.22

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Solution

The fourth proportional to 711,918.71, 1,067,758.99 and 312,452.22 is: 468,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,918.71 : 1,067,758.99 = 312,452.22 : x
  2. Step 2: Convert to fraction form
    711,918.71/1,067,758.99 = 312,452.22/x
  3. Step 3: Cross multiply
    711,918.71x = 1,067,758.99 × 312,452.22
  4. Step 4: Simplify right side
    711,918.71x = 333,623,666,850.46
  5. Step 5: Solve for x
    x = 333,623,666,850.46/711,918.71
  6. Step 6: Final answer
    x = 468,626.07

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Double scale
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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.