Home / 910,243.27-1,364,915.61-279,004.87

Finding the Fourth Proportional to 910,243.27, 1,364,915.61 and 279,004.87

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Solution

The fourth proportional to 910,243.27, 1,364,915.61 and 279,004.87 is: 418,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,243.27 : 1,364,915.61 = 279,004.87 : x
  2. Step 2: Convert to fraction form
    910,243.27/1,364,915.61 = 279,004.87/x
  3. Step 3: Cross multiply
    910,243.27x = 1,364,915.61 × 279,004.87
  4. Step 4: Simplify right side
    910,243.27x = 380,818,102,329.02
  5. Step 5: Solve for x
    x = 380,818,102,329.02/910,243.27
  6. Step 6: Final answer
    x = 418,369.59

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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.