Home / 754,237.80-1,131,356.70-515,089.35

Finding the Fourth Proportional to 754,237.80, 1,131,356.70 and 515,089.35

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Solution

The fourth proportional to 754,237.80, 1,131,356.70 and 515,089.35 is: 772,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,237.80 : 1,131,356.70 = 515,089.35 : x
  2. Step 2: Convert to fraction form
    754,237.80/1,131,356.70 = 515,089.35/x
  3. Step 3: Cross multiply
    754,237.80x = 1,131,356.70 × 515,089.35
  4. Step 4: Simplify right side
    754,237.80x = 582,749,787,221.15
  5. Step 5: Solve for x
    x = 582,749,787,221.15/754,237.80
  6. Step 6: Final answer
    x = 772,634.03

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1.5x scale

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.