Home / 721,310.04-1,082,063.52-300,487.50

Finding the Fourth Proportional to 721,310.04, 1,082,063.52 and 300,487.50

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Solution

The fourth proportional to 721,310.04, 1,082,063.52 and 300,487.50 is: 450,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,310.04 : 1,082,063.52 = 300,487.50 : x
  2. Step 2: Convert to fraction form
    721,310.04/1,082,063.52 = 300,487.50/x
  3. Step 3: Cross multiply
    721,310.04x = 1,082,063.52 × 300,487.50
  4. Step 4: Simplify right side
    721,310.04x = 325,146,561,966
  5. Step 5: Solve for x
    x = 325,146,561,966/721,310.04
  6. Step 6: Final answer
    x = 450,772.27

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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.