Home / 939,831.64-1,296,969.14-510,111.95

Finding the Fourth Proportional to 939,831.64, 1,296,969.14 and 510,111.95

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Solution

The fourth proportional to 939,831.64, 1,296,969.14 and 510,111.95 is: 703,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,831.64 : 1,296,969.14 = 510,111.95 : x
  2. Step 2: Convert to fraction form
    939,831.64/1,296,969.14 = 510,111.95/x
  3. Step 3: Cross multiply
    939,831.64x = 1,296,969.14 × 510,111.95
  4. Step 4: Simplify right side
    939,831.64x = 661,599,451,885.66
  5. Step 5: Solve for x
    x = 661,599,451,885.66/939,831.64
  6. Step 6: Final answer
    x = 703,955.29

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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.