Home / 887,088.56-1,330,632.70-213,169.86

Finding the Fourth Proportional to 887,088.56, 1,330,632.70 and 213,169.86

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Solution

The fourth proportional to 887,088.56, 1,330,632.70 and 213,169.86 is: 319,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,088.56 : 1,330,632.70 = 213,169.86 : x
  2. Step 2: Convert to fraction form
    887,088.56/1,330,632.70 = 213,169.86/x
  3. Step 3: Cross multiply
    887,088.56x = 1,330,632.70 × 213,169.86
  4. Step 4: Simplify right side
    887,088.56x = 283,650,786,370.42
  5. Step 5: Solve for x
    x = 283,650,786,370.42/887,088.56
  6. Step 6: Final answer
    x = 319,754.76

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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.