Home / 700,824.87-1,051,510.05-280,221.03

Finding the Fourth Proportional to 700,824.87, 1,051,510.05 and 280,221.03

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Solution

The fourth proportional to 700,824.87, 1,051,510.05 and 280,221.03 is: 420,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,824.87 : 1,051,510.05 = 280,221.03 : x
  2. Step 2: Convert to fraction form
    700,824.87/1,051,510.05 = 280,221.03/x
  3. Step 3: Cross multiply
    700,824.87x = 1,051,510.05 × 280,221.03
  4. Step 4: Simplify right side
    700,824.87x = 294,655,229,266.35
  5. Step 5: Solve for x
    x = 294,655,229,266.35/700,824.87
  6. Step 6: Final answer
    x = 420,440.60

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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.