Home / 938,392.72-1,294,972.25-524,924.12

Finding the Fourth Proportional to 938,392.72, 1,294,972.25 and 524,924.12

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Solution

The fourth proportional to 938,392.72, 1,294,972.25 and 524,924.12 is: 724,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,392.72 : 1,294,972.25 = 524,924.12 : x
  2. Step 2: Convert to fraction form
    938,392.72/1,294,972.25 = 524,924.12/x
  3. Step 3: Cross multiply
    938,392.72x = 1,294,972.25 × 524,924.12
  4. Step 4: Simplify right side
    938,392.72x = 679,762,167,940.92
  5. Step 5: Solve for x
    x = 679,762,167,940.92/938,392.72
  6. Step 6: Final answer
    x = 724,389.86

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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.