Home / 426,319.90-588,321.86-235,333.12

Finding the Fourth Proportional to 426,319.90, 588,321.86 and 235,333.12

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Solution

The fourth proportional to 426,319.90, 588,321.86 and 235,333.12 is: 324,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,319.90 : 588,321.86 = 235,333.12 : x
  2. Step 2: Convert to fraction form
    426,319.90/588,321.86 = 235,333.12/x
  3. Step 3: Cross multiply
    426,319.90x = 588,321.86 × 235,333.12
  4. Step 4: Simplify right side
    426,319.90x = 138,451,618,878.00
  5. Step 5: Solve for x
    x = 138,451,618,878.00/426,319.90
  6. Step 6: Final answer
    x = 324,759.93

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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.