Home / 948,548.92-1,422,825.80-387,583.42

Finding the Fourth Proportional to 948,548.92, 1,422,825.80 and 387,583.42

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Solution

The fourth proportional to 948,548.92, 1,422,825.80 and 387,583.42 is: 581,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,548.92 : 1,422,825.80 = 387,583.42 : x
  2. Step 2: Convert to fraction form
    948,548.92/1,422,825.80 = 387,583.42/x
  3. Step 3: Cross multiply
    948,548.92x = 1,422,825.80 × 387,583.42
  4. Step 4: Simplify right side
    948,548.92x = 551,463,683,483.07
  5. Step 5: Solve for x
    x = 551,463,683,483.07/948,548.92
  6. Step 6: Final answer
    x = 581,376.12

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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.