Home / 718,727.70-1,078,869.15-403,799.70

Finding the Fourth Proportional to 718,727.70, 1,078,869.15 and 403,799.70

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Solution

The fourth proportional to 718,727.70, 1,078,869.15 and 403,799.70 is: 606,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,727.70 : 1,078,869.15 = 403,799.70 : x
  2. Step 2: Convert to fraction form
    718,727.70/1,078,869.15 = 403,799.70/x
  3. Step 3: Cross multiply
    718,727.70x = 1,078,869.15 × 403,799.70
  4. Step 4: Simplify right side
    718,727.70x = 435,647,039,109.26
  5. Step 5: Solve for x
    x = 435,647,039,109.26/718,727.70
  6. Step 6: Final answer
    x = 606,136.43

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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.