Home / 908,475.87-1,253,680.17-500,615.36

Finding the Fourth Proportional to 908,475.87, 1,253,680.17 and 500,615.36

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Solution

The fourth proportional to 908,475.87, 1,253,680.17 and 500,615.36 is: 690,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,475.87 : 1,253,680.17 = 500,615.36 : x
  2. Step 2: Convert to fraction form
    908,475.87/1,253,680.17 = 500,615.36/x
  3. Step 3: Cross multiply
    908,475.87x = 1,253,680.17 × 500,615.36
  4. Step 4: Simplify right side
    908,475.87x = 627,611,543,361.01
  5. Step 5: Solve for x
    x = 627,611,543,361.01/908,475.87
  6. Step 6: Final answer
    x = 690,840.08

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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.