Home / 907,986.28-1,253,005.60-500,126.32

Finding the Fourth Proportional to 907,986.28, 1,253,005.60 and 500,126.32

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Solution

The fourth proportional to 907,986.28, 1,253,005.60 and 500,126.32 is: 690,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,986.28 : 1,253,005.60 = 500,126.32 : x
  2. Step 2: Convert to fraction form
    907,986.28/1,253,005.60 = 500,126.32/x
  3. Step 3: Cross multiply
    907,986.28x = 1,253,005.60 × 500,126.32
  4. Step 4: Simplify right side
    907,986.28x = 626,661,079,667.39
  5. Step 5: Solve for x
    x = 626,661,079,667.39/907,986.28
  6. Step 6: Final answer
    x = 690,165.80

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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.