Home / 632,027.81-872,198.69-345,550.25

Finding the Fourth Proportional to 632,027.81, 872,198.69 and 345,550.25

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Solution

The fourth proportional to 632,027.81, 872,198.69 and 345,550.25 is: 476,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,027.81 : 872,198.69 = 345,550.25 : x
  2. Step 2: Convert to fraction form
    632,027.81/872,198.69 = 345,550.25/x
  3. Step 3: Cross multiply
    632,027.81x = 872,198.69 × 345,550.25
  4. Step 4: Simplify right side
    632,027.81x = 301,388,475,831.92
  5. Step 5: Solve for x
    x = 301,388,475,831.92/632,027.81
  6. Step 6: Final answer
    x = 476,859.51

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Double scale
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Similar ratio
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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.