Home / 908,655.99-1,253,953.82-500,772.51

Finding the Fourth Proportional to 908,655.99, 1,253,953.82 and 500,772.51

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Solution

The fourth proportional to 908,655.99, 1,253,953.82 and 500,772.51 is: 691,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,655.99 : 1,253,953.82 = 500,772.51 : x
  2. Step 2: Convert to fraction form
    908,655.99/1,253,953.82 = 500,772.51/x
  3. Step 3: Cross multiply
    908,655.99x = 1,253,953.82 × 500,772.51
  4. Step 4: Simplify right side
    908,655.99x = 627,945,601,865.49
  5. Step 5: Solve for x
    x = 627,945,601,865.49/908,655.99
  6. Step 6: Final answer
    x = 691,070.78

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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.