Home / 908,340.96-1,253,504.64-500,433.36

Finding the Fourth Proportional to 908,340.96, 1,253,504.64 and 500,433.36

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Solution

The fourth proportional to 908,340.96, 1,253,504.64 and 500,433.36 is: 690,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,340.96 : 1,253,504.64 = 500,433.36 : x
  2. Step 2: Convert to fraction form
    908,340.96/1,253,504.64 = 500,433.36/x
  3. Step 3: Cross multiply
    908,340.96x = 1,253,504.64 × 500,433.36
  4. Step 4: Simplify right side
    908,340.96x = 627,295,538,770.79
  5. Step 5: Solve for x
    x = 627,295,538,770.79/908,340.96
  6. Step 6: Final answer
    x = 690,594.79

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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.