Home / 938,375.87-1,294,923.86-508,646.78

Finding the Fourth Proportional to 938,375.87, 1,294,923.86 and 508,646.78

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Solution

The fourth proportional to 938,375.87, 1,294,923.86 and 508,646.78 is: 701,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,375.87 : 1,294,923.86 = 508,646.78 : x
  2. Step 2: Convert to fraction form
    938,375.87/1,294,923.86 = 508,646.78/x
  3. Step 3: Cross multiply
    938,375.87x = 1,294,923.86 × 508,646.78
  4. Step 4: Simplify right side
    938,375.87x = 658,658,842,716.32
  5. Step 5: Solve for x
    x = 658,658,842,716.32/938,375.87
  6. Step 6: Final answer
    x = 701,913.67

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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.