Home / 987,063.23-1,362,147.72-534,354.23

Finding the Fourth Proportional to 987,063.23, 1,362,147.72 and 534,354.23

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Solution

The fourth proportional to 987,063.23, 1,362,147.72 and 534,354.23 is: 737,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,063.23 : 1,362,147.72 = 534,354.23 : x
  2. Step 2: Convert to fraction form
    987,063.23/1,362,147.72 = 534,354.23/x
  3. Step 3: Cross multiply
    987,063.23x = 1,362,147.72 × 534,354.23
  4. Step 4: Simplify right side
    987,063.23x = 727,869,396,066.86
  5. Step 5: Solve for x
    x = 727,869,396,066.86/987,063.23
  6. Step 6: Final answer
    x = 737,409.09

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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.