Home / 525,059.31-788,009.37-272,412.21

Finding the Fourth Proportional to 525,059.31, 788,009.37 and 272,412.21

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Solution

The fourth proportional to 525,059.31, 788,009.37 and 272,412.21 is: 408,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,059.31 : 788,009.37 = 272,412.21 : x
  2. Step 2: Convert to fraction form
    525,059.31/788,009.37 = 272,412.21/x
  3. Step 3: Cross multiply
    525,059.31x = 788,009.37 × 272,412.21
  4. Step 4: Simplify right side
    525,059.31x = 214,663,373,982.41
  5. Step 5: Solve for x
    x = 214,663,373,982.41/525,059.31
  6. Step 6: Final answer
    x = 408,836.43

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1.5x scale

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.