Home / 887,081.85-1,330,622.64-213,163.15

Finding the Fourth Proportional to 887,081.85, 1,330,622.64 and 213,163.15

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Solution

The fourth proportional to 887,081.85, 1,330,622.64 and 213,163.15 is: 319,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,081.85 : 1,330,622.64 = 213,163.15 : x
  2. Step 2: Convert to fraction form
    887,081.85/1,330,622.64 = 213,163.15/x
  3. Step 3: Cross multiply
    887,081.85x = 1,330,622.64 × 213,163.15
  4. Step 4: Simplify right side
    887,081.85x = 283,639,719,822.93
  5. Step 5: Solve for x
    x = 283,639,719,822.93/887,081.85
  6. Step 6: Final answer
    x = 319,744.70

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1.5x scale

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.