Home / 908,603.26-1,253,880.75-500,719.72

Finding the Fourth Proportional to 908,603.26, 1,253,880.75 and 500,719.72

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Solution

The fourth proportional to 908,603.26, 1,253,880.75 and 500,719.72 is: 690,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,603.26 : 1,253,880.75 = 500,719.72 : x
  2. Step 2: Convert to fraction form
    908,603.26/1,253,880.75 = 500,719.72/x
  3. Step 3: Cross multiply
    908,603.26x = 1,253,880.75 × 500,719.72
  4. Step 4: Simplify right side
    908,603.26x = 627,842,818,053.39
  5. Step 5: Solve for x
    x = 627,842,818,053.39/908,603.26
  6. Step 6: Final answer
    x = 690,997.76

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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.