Home / 961,128.26-1,442,285.31-488,153.06

Finding the Fourth Proportional to 961,128.26, 1,442,285.31 and 488,153.06

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Solution

The fourth proportional to 961,128.26, 1,442,285.31 and 488,153.06 is: 732,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,128.26 : 1,442,285.31 = 488,153.06 : x
  2. Step 2: Convert to fraction form
    961,128.26/1,442,285.31 = 488,153.06/x
  3. Step 3: Cross multiply
    961,128.26x = 1,442,285.31 × 488,153.06
  4. Step 4: Simplify right side
    961,128.26x = 704,055,987,469.55
  5. Step 5: Solve for x
    x = 704,055,987,469.55/961,128.26
  6. Step 6: Final answer
    x = 732,530.73

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1.5x scale

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.