Home / 700,812.68-1,051,462.98-221,114.55

Finding the Fourth Proportional to 700,812.68, 1,051,462.98 and 221,114.55

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Solution

The fourth proportional to 700,812.68, 1,051,462.98 and 221,114.55 is: 331,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,812.68 : 1,051,462.98 = 221,114.55 : x
  2. Step 2: Convert to fraction form
    700,812.68/1,051,462.98 = 221,114.55/x
  3. Step 3: Cross multiply
    700,812.68x = 1,051,462.98 × 221,114.55
  4. Step 4: Simplify right side
    700,812.68x = 232,493,764,217.15
  5. Step 5: Solve for x
    x = 232,493,764,217.15/700,812.68
  6. Step 6: Final answer
    x = 331,748.80

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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.