Home / 791,180.32-1,091,831.67-428,603.26

Finding the Fourth Proportional to 791,180.32, 1,091,831.67 and 428,603.26

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Solution

The fourth proportional to 791,180.32, 1,091,831.67 and 428,603.26 is: 591,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,180.32 : 1,091,831.67 = 428,603.26 : x
  2. Step 2: Convert to fraction form
    791,180.32/1,091,831.67 = 428,603.26/x
  3. Step 3: Cross multiply
    791,180.32x = 1,091,831.67 × 428,603.26
  4. Step 4: Simplify right side
    791,180.32x = 467,962,613,133.24
  5. Step 5: Solve for x
    x = 467,962,613,133.24/791,180.32
  6. Step 6: Final answer
    x = 591,474.03

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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.