Home / 754,455.62-1,132,181.96-355,210.57

Finding the Fourth Proportional to 754,455.62, 1,132,181.96 and 355,210.57

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Solution

The fourth proportional to 754,455.62, 1,132,181.96 and 355,210.57 is: 533,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,455.62 : 1,132,181.96 = 355,210.57 : x
  2. Step 2: Convert to fraction form
    754,455.62/1,132,181.96 = 355,210.57/x
  3. Step 3: Cross multiply
    754,455.62x = 1,132,181.96 × 355,210.57
  4. Step 4: Simplify right side
    754,455.62x = 402,162,992,625.97
  5. Step 5: Solve for x
    x = 402,162,992,625.97/754,455.62
  6. Step 6: Final answer
    x = 533,050.56

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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.