Home / 547,041.20-754,917.77-305,323.73

Finding the Fourth Proportional to 547,041.20, 754,917.77 and 305,323.73

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Solution

The fourth proportional to 547,041.20, 754,917.77 and 305,323.73 is: 421,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,041.20 : 754,917.77 = 305,323.73 : x
  2. Step 2: Convert to fraction form
    547,041.20/754,917.77 = 305,323.73/x
  3. Step 3: Cross multiply
    547,041.20x = 754,917.77 × 305,323.73
  4. Step 4: Simplify right side
    547,041.20x = 230,494,309,199.34
  5. Step 5: Solve for x
    x = 230,494,309,199.34/547,041.20
  6. Step 6: Final answer
    x = 421,347.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.