Home / 304,839.84-457,162.82-284,938.40

Finding the Fourth Proportional to 304,839.84, 457,162.82 and 284,938.40

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Solution

The fourth proportional to 304,839.84, 457,162.82 and 284,938.40 is: 427,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,839.84 : 457,162.82 = 284,938.40 : x
  2. Step 2: Convert to fraction form
    304,839.84/457,162.82 = 284,938.40/x
  3. Step 3: Cross multiply
    304,839.84x = 457,162.82 × 284,938.40
  4. Step 4: Simplify right side
    304,839.84x = 130,263,242,470.29
  5. Step 5: Solve for x
    x = 130,263,242,470.29/304,839.84
  6. Step 6: Final answer
    x = 427,316.99

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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.