Home / 887,740.08-1,331,736.48-288,508.56

Finding the Fourth Proportional to 887,740.08, 1,331,736.48 and 288,508.56

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Solution

The fourth proportional to 887,740.08, 1,331,736.48 and 288,508.56 is: 432,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,740.08 : 1,331,736.48 = 288,508.56 : x
  2. Step 2: Convert to fraction form
    887,740.08/1,331,736.48 = 288,508.56/x
  3. Step 3: Cross multiply
    887,740.08x = 1,331,736.48 × 288,508.56
  4. Step 4: Simplify right side
    887,740.08x = 384,217,374,144.27
  5. Step 5: Solve for x
    x = 384,217,374,144.27/887,740.08
  6. Step 6: Final answer
    x = 432,803.91

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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.