Home / 908,589.87-1,253,862.30-500,706.34

Finding the Fourth Proportional to 908,589.87, 1,253,862.30 and 500,706.34

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Solution

The fourth proportional to 908,589.87, 1,253,862.30 and 500,706.34 is: 690,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,589.87 : 1,253,862.30 = 500,706.34 : x
  2. Step 2: Convert to fraction form
    908,589.87/1,253,862.30 = 500,706.34/x
  3. Step 3: Cross multiply
    908,589.87x = 1,253,862.30 × 500,706.34
  4. Step 4: Simplify right side
    908,589.87x = 627,816,803,096.98
  5. Step 5: Solve for x
    x = 627,816,803,096.98/908,589.87
  6. Step 6: Final answer
    x = 690,979.31

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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.