Home / 684,301.20-1,026,451.80-305,221.20

Finding the Fourth Proportional to 684,301.20, 1,026,451.80 and 305,221.20

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Solution

The fourth proportional to 684,301.20, 1,026,451.80 and 305,221.20 is: 457,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,301.20 : 1,026,451.80 = 305,221.20 : x
  2. Step 2: Convert to fraction form
    684,301.20/1,026,451.80 = 305,221.20/x
  3. Step 3: Cross multiply
    684,301.20x = 1,026,451.80 × 305,221.20
  4. Step 4: Simplify right side
    684,301.20x = 313,294,850,138.16
  5. Step 5: Solve for x
    x = 313,294,850,138.16/684,301.20
  6. Step 6: Final answer
    x = 457,831.80

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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.