Home / 908,588.87-1,253,860.92-500,705.34

Finding the Fourth Proportional to 908,588.87, 1,253,860.92 and 500,705.34

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Solution

The fourth proportional to 908,588.87, 1,253,860.92 and 500,705.34 is: 690,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,588.87 : 1,253,860.92 = 500,705.34 : x
  2. Step 2: Convert to fraction form
    908,588.87/1,253,860.92 = 500,705.34/x
  3. Step 3: Cross multiply
    908,588.87x = 1,253,860.92 × 500,705.34
  4. Step 4: Simplify right side
    908,588.87x = 627,814,858,261.31
  5. Step 5: Solve for x
    x = 627,814,858,261.31/908,588.87
  6. Step 6: Final answer
    x = 690,977.93

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1.5x scale

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.