Home / 730,185.90-1,095,691.23-393,219.42

Finding the Fourth Proportional to 730,185.90, 1,095,691.23 and 393,219.42

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Solution

The fourth proportional to 730,185.90, 1,095,691.23 and 393,219.42 is: 590,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,185.90 : 1,095,691.23 = 393,219.42 : x
  2. Step 2: Convert to fraction form
    730,185.90/1,095,691.23 = 393,219.42/x
  3. Step 3: Cross multiply
    730,185.90x = 1,095,691.23 × 393,219.42
  4. Step 4: Simplify right side
    730,185.90x = 430,847,069,959.69
  5. Step 5: Solve for x
    x = 430,847,069,959.69/730,185.90
  6. Step 6: Final answer
    x = 590,051.20

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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.