Home / 938,107.45-1,294,589.39-508,387.58

Finding the Fourth Proportional to 938,107.45, 1,294,589.39 and 508,387.58

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Solution

The fourth proportional to 938,107.45, 1,294,589.39 and 508,387.58 is: 701,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,107.45 : 1,294,589.39 = 508,387.58 : x
  2. Step 2: Convert to fraction form
    938,107.45/1,294,589.39 = 508,387.58/x
  3. Step 3: Cross multiply
    938,107.45x = 1,294,589.39 × 508,387.58
  4. Step 4: Simplify right side
    938,107.45x = 658,153,167,075.78
  5. Step 5: Solve for x
    x = 658,153,167,075.78/938,107.45
  6. Step 6: Final answer
    x = 701,575.46

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Double scale
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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.