Home / 525,680.30-788,520.37-126,321.08

Finding the Fourth Proportional to 525,680.30, 788,520.37 and 126,321.08

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Solution

The fourth proportional to 525,680.30, 788,520.37 and 126,321.08 is: 189,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,680.30 : 788,520.37 = 126,321.08 : x
  2. Step 2: Convert to fraction form
    525,680.30/788,520.37 = 126,321.08/x
  3. Step 3: Cross multiply
    525,680.30x = 788,520.37 × 126,321.08
  4. Step 4: Simplify right side
    525,680.30x = 99,606,740,482.00
  5. Step 5: Solve for x
    x = 99,606,740,482.00/525,680.30
  6. Step 6: Final answer
    x = 189,481.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.