Home / 662,284.62-914,078.76-375,831.36

Finding the Fourth Proportional to 662,284.62, 914,078.76 and 375,831.36

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Solution

The fourth proportional to 662,284.62, 914,078.76 and 375,831.36 is: 518,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,284.62 : 914,078.76 = 375,831.36 : x
  2. Step 2: Convert to fraction form
    662,284.62/914,078.76 = 375,831.36/x
  3. Step 3: Cross multiply
    662,284.62x = 914,078.76 × 375,831.36
  4. Step 4: Simplify right side
    662,284.62x = 343,539,463,517.91
  5. Step 5: Solve for x
    x = 343,539,463,517.91/662,284.62
  6. Step 6: Final answer
    x = 518,718.77

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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.