Home / 624,468.47-861,787.37-382,704.33

Finding the Fourth Proportional to 624,468.47, 861,787.37 and 382,704.33

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Solution

The fourth proportional to 624,468.47, 861,787.37 and 382,704.33 is: 528,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,468.47 : 861,787.37 = 382,704.33 : x
  2. Step 2: Convert to fraction form
    624,468.47/861,787.37 = 382,704.33/x
  3. Step 3: Cross multiply
    624,468.47x = 861,787.37 × 382,704.33
  4. Step 4: Simplify right side
    624,468.47x = 329,809,758,038.31
  5. Step 5: Solve for x
    x = 329,809,758,038.31/624,468.47
  6. Step 6: Final answer
    x = 528,144.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.