Home / 498,220.88-746,831.68-258,200.36

Finding the Fourth Proportional to 498,220.88, 746,831.68 and 258,200.36

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Solution

The fourth proportional to 498,220.88, 746,831.68 and 258,200.36 is: 387,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,220.88 : 746,831.68 = 258,200.36 : x
  2. Step 2: Convert to fraction form
    498,220.88/746,831.68 = 258,200.36/x
  3. Step 3: Cross multiply
    498,220.88x = 746,831.68 × 258,200.36
  4. Step 4: Simplify right side
    498,220.88x = 192,832,207,056.36
  5. Step 5: Solve for x
    x = 192,832,207,056.36/498,220.88
  6. Step 6: Final answer
    x = 387,041.60

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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.