Home / 726,930.90-1,090,619.46-372,193.98

Finding the Fourth Proportional to 726,930.90, 1,090,619.46 and 372,193.98

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Solution

The fourth proportional to 726,930.90, 1,090,619.46 and 372,193.98 is: 558,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,930.90 : 1,090,619.46 = 372,193.98 : x
  2. Step 2: Convert to fraction form
    726,930.90/1,090,619.46 = 372,193.98/x
  3. Step 3: Cross multiply
    726,930.90x = 1,090,619.46 × 372,193.98
  4. Step 4: Simplify right side
    726,930.90x = 405,921,997,482.85
  5. Step 5: Solve for x
    x = 405,921,997,482.85/726,930.90
  6. Step 6: Final answer
    x = 558,405.20

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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.