Home / 726,831.36-1,090,470.40-372,094.49

Finding the Fourth Proportional to 726,831.36, 1,090,470.40 and 372,094.49

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Solution

The fourth proportional to 726,831.36, 1,090,470.40 and 372,094.49 is: 558,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,831.36 : 1,090,470.40 = 372,094.49 : x
  2. Step 2: Convert to fraction form
    726,831.36/1,090,470.40 = 372,094.49/x
  3. Step 3: Cross multiply
    726,831.36x = 1,090,470.40 × 372,094.49
  4. Step 4: Simplify right side
    726,831.36x = 405,758,029,144.04
  5. Step 5: Solve for x
    x = 405,758,029,144.04/726,831.36
  6. Step 6: Final answer
    x = 558,256.08

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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.