Home / 694,831.20-1,042,246.80-648,175.20

Finding the Fourth Proportional to 694,831.20, 1,042,246.80 and 648,175.20

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Solution

The fourth proportional to 694,831.20, 1,042,246.80 and 648,175.20 is: 972,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,831.20 : 1,042,246.80 = 648,175.20 : x
  2. Step 2: Convert to fraction form
    694,831.20/1,042,246.80 = 648,175.20/x
  3. Step 3: Cross multiply
    694,831.20x = 1,042,246.80 × 648,175.20
  4. Step 4: Simplify right side
    694,831.20x = 675,558,528,039.36
  5. Step 5: Solve for x
    x = 675,558,528,039.36/694,831.20
  6. Step 6: Final answer
    x = 972,262.80

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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.