Home / 993,496.25-1,490,351.03-424,936.40

Finding the Fourth Proportional to 993,496.25, 1,490,351.03 and 424,936.40

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Solution

The fourth proportional to 993,496.25, 1,490,351.03 and 424,936.40 is: 637,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,496.25 : 1,490,351.03 = 424,936.40 : x
  2. Step 2: Convert to fraction form
    993,496.25/1,490,351.03 = 424,936.40/x
  3. Step 3: Cross multiply
    993,496.25x = 1,490,351.03 × 424,936.40
  4. Step 4: Simplify right side
    993,496.25x = 633,304,393,441.57
  5. Step 5: Solve for x
    x = 633,304,393,441.57/993,496.25
  6. Step 6: Final answer
    x = 637,450.21

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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.