Home / 908,597.09-1,253,872.26-500,713.55

Finding the Fourth Proportional to 908,597.09, 1,253,872.26 and 500,713.55

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Solution

The fourth proportional to 908,597.09, 1,253,872.26 and 500,713.55 is: 690,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,597.09 : 1,253,872.26 = 500,713.55 : x
  2. Step 2: Convert to fraction form
    908,597.09/1,253,872.26 = 500,713.55/x
  3. Step 3: Cross multiply
    908,597.09x = 1,253,872.26 × 500,713.55
  4. Step 4: Simplify right side
    908,597.09x = 627,830,824,281.76
  5. Step 5: Solve for x
    x = 627,830,824,281.76/908,597.09
  6. Step 6: Final answer
    x = 690,989.26

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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.