Home / 526,767.33-726,942.30-308,931.60

Finding the Fourth Proportional to 526,767.33, 726,942.30 and 308,931.60

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Solution

The fourth proportional to 526,767.33, 726,942.30 and 308,931.60 is: 426,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,767.33 : 726,942.30 = 308,931.60 : x
  2. Step 2: Convert to fraction form
    526,767.33/726,942.30 = 308,931.60/x
  3. Step 3: Cross multiply
    526,767.33x = 726,942.30 × 308,931.60
  4. Step 4: Simplify right side
    526,767.33x = 224,575,449,414.22
  5. Step 5: Solve for x
    x = 224,575,449,414.22/526,767.33
  6. Step 6: Final answer
    x = 426,327.59

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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.