Home / 887,894.75-1,225,414.61-500,789.67

Finding the Fourth Proportional to 887,894.75, 1,225,414.61 and 500,789.67

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Solution

The fourth proportional to 887,894.75, 1,225,414.61 and 500,789.67 is: 691,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,894.75 : 1,225,414.61 = 500,789.67 : x
  2. Step 2: Convert to fraction form
    887,894.75/1,225,414.61 = 500,789.67/x
  3. Step 3: Cross multiply
    887,894.75x = 1,225,414.61 × 500,789.67
  4. Step 4: Simplify right side
    887,894.75x = 613,674,975,651.13
  5. Step 5: Solve for x
    x = 613,674,975,651.13/887,894.75
  6. Step 6: Final answer
    x = 691,157.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.