Home / 907,620.88-1,252,904.04-646,144.72

Finding the Fourth Proportional to 907,620.88, 1,252,904.04 and 646,144.72

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Solution

The fourth proportional to 907,620.88, 1,252,904.04 and 646,144.72 is: 891,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,620.88 : 1,252,904.04 = 646,144.72 : x
  2. Step 2: Convert to fraction form
    907,620.88/1,252,904.04 = 646,144.72/x
  3. Step 3: Cross multiply
    907,620.88x = 1,252,904.04 × 646,144.72
  4. Step 4: Simplify right side
    907,620.88x = 809,557,330,112.67
  5. Step 5: Solve for x
    x = 809,557,330,112.67/907,620.88
  6. Step 6: Final answer
    x = 891,955.38

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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.