Home / 890,191.86-1,335,289.32-216,273.62

Finding the Fourth Proportional to 890,191.86, 1,335,289.32 and 216,273.62

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Solution

The fourth proportional to 890,191.86, 1,335,289.32 and 216,273.62 is: 324,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,191.86 : 1,335,289.32 = 216,273.62 : x
  2. Step 2: Convert to fraction form
    890,191.86/1,335,289.32 = 216,273.62/x
  3. Step 3: Cross multiply
    890,191.86x = 1,335,289.32 × 216,273.62
  4. Step 4: Simplify right side
    890,191.86x = 288,787,848,307.29
  5. Step 5: Solve for x
    x = 288,787,848,307.29/890,191.86
  6. Step 6: Final answer
    x = 324,410.80

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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.