Home / 907,985.28-1,253,004.24-500,125.32

Finding the Fourth Proportional to 907,985.28, 1,253,004.24 and 500,125.32

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Solution

The fourth proportional to 907,985.28, 1,253,004.24 and 500,125.32 is: 690,164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,985.28 : 1,253,004.24 = 500,125.32 : x
  2. Step 2: Convert to fraction form
    907,985.28/1,253,004.24 = 500,125.32/x
  3. Step 3: Cross multiply
    907,985.28x = 1,253,004.24 × 500,125.32
  4. Step 4: Simplify right side
    907,985.28x = 626,659,146,491.36
  5. Step 5: Solve for x
    x = 626,659,146,491.36/907,985.28
  6. Step 6: Final answer
    x = 690,164.43

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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.