Home / 399,220.80-598,831.20-264,501.60

Finding the Fourth Proportional to 399,220.80, 598,831.20 and 264,501.60

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Solution

The fourth proportional to 399,220.80, 598,831.20 and 264,501.60 is: 396,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,220.80 : 598,831.20 = 264,501.60 : x
  2. Step 2: Convert to fraction form
    399,220.80/598,831.20 = 264,501.60/x
  3. Step 3: Cross multiply
    399,220.80x = 598,831.20 × 264,501.60
  4. Step 4: Simplify right side
    399,220.80x = 158,391,810,529.92
  5. Step 5: Solve for x
    x = 158,391,810,529.92/399,220.80
  6. Step 6: Final answer
    x = 396,752.40

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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.