Home / 723,375.80-1,085,063.70-471,433.40

Finding the Fourth Proportional to 723,375.80, 1,085,063.70 and 471,433.40

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Solution

The fourth proportional to 723,375.80, 1,085,063.70 and 471,433.40 is: 707,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,375.80 : 1,085,063.70 = 471,433.40 : x
  2. Step 2: Convert to fraction form
    723,375.80/1,085,063.70 = 471,433.40/x
  3. Step 3: Cross multiply
    723,375.80x = 1,085,063.70 × 471,433.40
  4. Step 4: Simplify right side
    723,375.80x = 511,535,269,307.58
  5. Step 5: Solve for x
    x = 511,535,269,307.58/723,375.80
  6. Step 6: Final answer
    x = 707,150.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.