Home / 887,851.71-1,331,789.90-288,816.03

Finding the Fourth Proportional to 887,851.71, 1,331,789.90 and 288,816.03

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Solution

The fourth proportional to 887,851.71, 1,331,789.90 and 288,816.03 is: 433,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,851.71 : 1,331,789.90 = 288,816.03 : x
  2. Step 2: Convert to fraction form
    887,851.71/1,331,789.90 = 288,816.03/x
  3. Step 3: Cross multiply
    887,851.71x = 1,331,789.90 × 288,816.03
  4. Step 4: Simplify right side
    887,851.71x = 384,642,270,268.02
  5. Step 5: Solve for x
    x = 384,642,270,268.02/887,851.71
  6. Step 6: Final answer
    x = 433,228.06

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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.