Home / 881,167.50-1,216,071.29-499,197.42

Finding the Fourth Proportional to 881,167.50, 1,216,071.29 and 499,197.42

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Solution

The fourth proportional to 881,167.50, 1,216,071.29 and 499,197.42 is: 688,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,167.50 : 1,216,071.29 = 499,197.42 : x
  2. Step 2: Convert to fraction form
    881,167.50/1,216,071.29 = 499,197.42/x
  3. Step 3: Cross multiply
    881,167.50x = 1,216,071.29 × 499,197.42
  4. Step 4: Simplify right side
    881,167.50x = 607,059,650,504.07
  5. Step 5: Solve for x
    x = 607,059,650,504.07/881,167.50
  6. Step 6: Final answer
    x = 688,926.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.