Home / 885,386.88-1,221,831.36-482,976

Finding the Fourth Proportional to 885,386.88, 1,221,831.36 and 482,976

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Solution

The fourth proportional to 885,386.88, 1,221,831.36 and 482,976 is: 666,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,386.88 : 1,221,831.36 = 482,976 : x
  2. Step 2: Convert to fraction form
    885,386.88/1,221,831.36 = 482,976/x
  3. Step 3: Cross multiply
    885,386.88x = 1,221,831.36 × 482,976
  4. Step 4: Simplify right side
    885,386.88x = 590,115,222,927.36
  5. Step 5: Solve for x
    x = 590,115,222,927.36/885,386.88
  6. Step 6: Final answer
    x = 666,505.50

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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.