Home / 552,645.61-828,741.02-211,215.15

Finding the Fourth Proportional to 552,645.61, 828,741.02 and 211,215.15

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Solution

The fourth proportional to 552,645.61, 828,741.02 and 211,215.15 is: 316,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,645.61 : 828,741.02 = 211,215.15 : x
  2. Step 2: Convert to fraction form
    552,645.61/828,741.02 = 211,215.15/x
  3. Step 3: Cross multiply
    552,645.61x = 828,741.02 × 211,215.15
  4. Step 4: Simplify right side
    552,645.61x = 175,042,655,478.66
  5. Step 5: Solve for x
    x = 175,042,655,478.66/552,645.61
  6. Step 6: Final answer
    x = 316,735.81

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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.