Home / 938,378.28-1,294,941.24-508,647.36

Finding the Fourth Proportional to 938,378.28, 1,294,941.24 and 508,647.36

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Solution

The fourth proportional to 938,378.28, 1,294,941.24 and 508,647.36 is: 701,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,378.28 : 1,294,941.24 = 508,647.36 : x
  2. Step 2: Convert to fraction form
    938,378.28/1,294,941.24 = 508,647.36/x
  3. Step 3: Cross multiply
    938,378.28x = 1,294,941.24 × 508,647.36
  4. Step 4: Simplify right side
    938,378.28x = 658,668,443,081.13
  5. Step 5: Solve for x
    x = 658,668,443,081.13/938,378.28
  6. Step 6: Final answer
    x = 701,922.09

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1.5x scale

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.