Home / 676,421.71-1,014,607.96-203,094.78

Finding the Fourth Proportional to 676,421.71, 1,014,607.96 and 203,094.78

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Solution

The fourth proportional to 676,421.71, 1,014,607.96 and 203,094.78 is: 304,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,421.71 : 1,014,607.96 = 203,094.78 : x
  2. Step 2: Convert to fraction form
    676,421.71/1,014,607.96 = 203,094.78/x
  3. Step 3: Cross multiply
    676,421.71x = 1,014,607.96 × 203,094.78
  4. Step 4: Simplify right side
    676,421.71x = 206,061,580,422.45
  5. Step 5: Solve for x
    x = 206,061,580,422.45/676,421.71
  6. Step 6: Final answer
    x = 304,634.78

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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.