Home / 910,243.02-1,364,915.25-279,004.62

Finding the Fourth Proportional to 910,243.02, 1,364,915.25 and 279,004.62

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Solution

The fourth proportional to 910,243.02, 1,364,915.25 and 279,004.62 is: 418,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,243.02 : 1,364,915.25 = 279,004.62 : x
  2. Step 2: Convert to fraction form
    910,243.02/1,364,915.25 = 279,004.62/x
  3. Step 3: Cross multiply
    910,243.02x = 1,364,915.25 × 279,004.62
  4. Step 4: Simplify right side
    910,243.02x = 380,817,660,658.46
  5. Step 5: Solve for x
    x = 380,817,660,658.46/910,243.02
  6. Step 6: Final answer
    x = 418,369.22

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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.