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Finding the Fourth Proportional to 888,819, 1,333,228.50 and 223,971

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Solution

The fourth proportional to 888,819, 1,333,228.50 and 223,971 is: 335,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,819 : 1,333,228.50 = 223,971 : x
  2. Step 2: Convert to fraction form
    888,819/1,333,228.50 = 223,971/x
  3. Step 3: Cross multiply
    888,819x = 1,333,228.50 × 223,971
  4. Step 4: Simplify right side
    888,819x = 298,604,520,373.50
  5. Step 5: Solve for x
    x = 298,604,520,373.50/888,819
  6. Step 6: Final answer
    x = 335,956.50

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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.