Home / 805,340.56-1,206,922.20-355,984.96

Finding the Fourth Proportional to 805,340.56, 1,206,922.20 and 355,984.96

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Solution

The fourth proportional to 805,340.56, 1,206,922.20 and 355,984.96 is: 533,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,340.56 : 1,206,922.20 = 355,984.96 : x
  2. Step 2: Convert to fraction form
    805,340.56/1,206,922.20 = 355,984.96/x
  3. Step 3: Cross multiply
    805,340.56x = 1,206,922.20 × 355,984.96
  4. Step 4: Simplify right side
    805,340.56x = 429,646,151,090.11
  5. Step 5: Solve for x
    x = 429,646,151,090.11/805,340.56
  6. Step 6: Final answer
    x = 533,496.23

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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.