Home / 887,846.72-1,331,782.38-288,811.02

Finding the Fourth Proportional to 887,846.72, 1,331,782.38 and 288,811.02

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Solution

The fourth proportional to 887,846.72, 1,331,782.38 and 288,811.02 is: 433,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,846.72 : 1,331,782.38 = 288,811.02 : x
  2. Step 2: Convert to fraction form
    887,846.72/1,331,782.38 = 288,811.02/x
  3. Step 3: Cross multiply
    887,846.72x = 1,331,782.38 × 288,811.02
  4. Step 4: Simplify right side
    887,846.72x = 384,633,427,585.83
  5. Step 5: Solve for x
    x = 384,633,427,585.83/887,846.72
  6. Step 6: Final answer
    x = 433,220.53

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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.