Home / 938,019.90-1,294,468.74-508,299.72

Finding the Fourth Proportional to 938,019.90, 1,294,468.74 and 508,299.72

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Solution

The fourth proportional to 938,019.90, 1,294,468.74 and 508,299.72 is: 701,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,019.90 : 1,294,468.74 = 508,299.72 : x
  2. Step 2: Convert to fraction form
    938,019.90/1,294,468.74 = 508,299.72/x
  3. Step 3: Cross multiply
    938,019.90x = 1,294,468.74 × 508,299.72
  4. Step 4: Simplify right side
    938,019.90x = 657,978,098,090.75
  5. Step 5: Solve for x
    x = 657,978,098,090.75/938,019.90
  6. Step 6: Final answer
    x = 701,454.31

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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.