Home / 946,387-1,419,368.28-272,318.14

Finding the Fourth Proportional to 946,387, 1,419,368.28 and 272,318.14

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Solution

The fourth proportional to 946,387, 1,419,368.28 and 272,318.14 is: 408,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,387 : 1,419,368.28 = 272,318.14 : x
  2. Step 2: Convert to fraction form
    946,387/1,419,368.28 = 272,318.14/x
  3. Step 3: Cross multiply
    946,387x = 1,419,368.28 × 272,318.14
  4. Step 4: Simplify right side
    946,387x = 386,519,729,984.60
  5. Step 5: Solve for x
    x = 386,519,729,984.60/946,387
  6. Step 6: Final answer
    x = 408,416.14

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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.