Home / 938,172.35-1,294,643.17-508,443.25

Finding the Fourth Proportional to 938,172.35, 1,294,643.17 and 508,443.25

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Solution

The fourth proportional to 938,172.35, 1,294,643.17 and 508,443.25 is: 701,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,172.35 : 1,294,643.17 = 508,443.25 : x
  2. Step 2: Convert to fraction form
    938,172.35/1,294,643.17 = 508,443.25/x
  3. Step 3: Cross multiply
    938,172.35x = 1,294,643.17 × 508,443.25
  4. Step 4: Simplify right side
    938,172.35x = 658,252,580,945.10
  5. Step 5: Solve for x
    x = 658,252,580,945.10/938,172.35
  6. Step 6: Final answer
    x = 701,632.89

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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.