Home / 929,721.60-1,283,629.44-714,470.40

Finding the Fourth Proportional to 929,721.60, 1,283,629.44 and 714,470.40

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Solution

The fourth proportional to 929,721.60, 1,283,629.44 and 714,470.40 is: 986,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,721.60 : 1,283,629.44 = 714,470.40 : x
  2. Step 2: Convert to fraction form
    929,721.60/1,283,629.44 = 714,470.40/x
  3. Step 3: Cross multiply
    929,721.60x = 1,283,629.44 × 714,470.40
  4. Step 4: Simplify right side
    929,721.60x = 917,115,239,448.58
  5. Step 5: Solve for x
    x = 917,115,239,448.58/929,721.60
  6. Step 6: Final answer
    x = 986,440.71

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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.