Home / 525,867.59-788,520.76-272,893.39

Finding the Fourth Proportional to 525,867.59, 788,520.76 and 272,893.39

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Solution

The fourth proportional to 525,867.59, 788,520.76 and 272,893.39 is: 409,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,867.59 : 788,520.76 = 272,893.39 : x
  2. Step 2: Convert to fraction form
    525,867.59/788,520.76 = 272,893.39/x
  3. Step 3: Cross multiply
    525,867.59x = 788,520.76 × 272,893.39
  4. Step 4: Simplify right side
    525,867.59x = 215,182,100,628.24
  5. Step 5: Solve for x
    x = 215,182,100,628.24/525,867.59
  6. Step 6: Final answer
    x = 409,194.45

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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.