Home / 728,909.32-1,093,325.10-196,421.80

Finding the Fourth Proportional to 728,909.32, 1,093,325.10 and 196,421.80

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Solution

The fourth proportional to 728,909.32, 1,093,325.10 and 196,421.80 is: 294,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,909.32 : 1,093,325.10 = 196,421.80 : x
  2. Step 2: Convert to fraction form
    728,909.32/1,093,325.10 = 196,421.80/x
  3. Step 3: Cross multiply
    728,909.32x = 1,093,325.10 × 196,421.80
  4. Step 4: Simplify right side
    728,909.32x = 214,752,884,127.18
  5. Step 5: Solve for x
    x = 214,752,884,127.18/728,909.32
  6. Step 6: Final answer
    x = 294,622.22

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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.