Home / 908,656.99-1,253,955.20-500,773.51

Finding the Fourth Proportional to 908,656.99, 1,253,955.20 and 500,773.51

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Solution

The fourth proportional to 908,656.99, 1,253,955.20 and 500,773.51 is: 691,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,656.99 : 1,253,955.20 = 500,773.51 : x
  2. Step 2: Convert to fraction form
    908,656.99/1,253,955.20 = 500,773.51/x
  3. Step 3: Cross multiply
    908,656.99x = 1,253,955.20 × 500,773.51
  4. Step 4: Simplify right side
    908,656.99x = 627,947,546,886.75
  5. Step 5: Solve for x
    x = 627,947,546,886.75/908,656.99
  6. Step 6: Final answer
    x = 691,072.16

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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.