Home / 730,687.80-1,095,513.30-331,519.80

Finding the Fourth Proportional to 730,687.80, 1,095,513.30 and 331,519.80

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Solution

The fourth proportional to 730,687.80, 1,095,513.30 and 331,519.80 is: 497,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,687.80 : 1,095,513.30 = 331,519.80 : x
  2. Step 2: Convert to fraction form
    730,687.80/1,095,513.30 = 331,519.80/x
  3. Step 3: Cross multiply
    730,687.80x = 1,095,513.30 × 331,519.80
  4. Step 4: Simplify right side
    730,687.80x = 363,184,350,113.34
  5. Step 5: Solve for x
    x = 363,184,350,113.34/730,687.80
  6. Step 6: Final answer
    x = 497,044.50

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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.