Home / 751,251.88-1,036,401.78-496,957.96

Finding the Fourth Proportional to 751,251.88, 1,036,401.78 and 496,957.96

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Solution

The fourth proportional to 751,251.88, 1,036,401.78 and 496,957.96 is: 685,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,251.88 : 1,036,401.78 = 496,957.96 : x
  2. Step 2: Convert to fraction form
    751,251.88/1,036,401.78 = 496,957.96/x
  3. Step 3: Cross multiply
    751,251.88x = 1,036,401.78 × 496,957.96
  4. Step 4: Simplify right side
    751,251.88x = 515,048,114,329.17
  5. Step 5: Solve for x
    x = 515,048,114,329.17/751,251.88
  6. Step 6: Final answer
    x = 685,586.46

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1.5x scale

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.