Home / 988,950.24-1,364,522.40-667,257.12

Finding the Fourth Proportional to 988,950.24, 1,364,522.40 and 667,257.12

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Solution

The fourth proportional to 988,950.24, 1,364,522.40 and 667,257.12 is: 920,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,950.24 : 1,364,522.40 = 667,257.12 : x
  2. Step 2: Convert to fraction form
    988,950.24/1,364,522.40 = 667,257.12/x
  3. Step 3: Cross multiply
    988,950.24x = 1,364,522.40 × 667,257.12
  4. Step 4: Simplify right side
    988,950.24x = 910,487,286,799.49
  5. Step 5: Solve for x
    x = 910,487,286,799.49/988,950.24
  6. Step 6: Final answer
    x = 920,660.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.