Home / 672,455.28-927,982.20-366,531.60

Finding the Fourth Proportional to 672,455.28, 927,982.20 and 366,531.60

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Solution

The fourth proportional to 672,455.28, 927,982.20 and 366,531.60 is: 505,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,455.28 : 927,982.20 = 366,531.60 : x
  2. Step 2: Convert to fraction form
    672,455.28/927,982.20 = 366,531.60/x
  3. Step 3: Cross multiply
    672,455.28x = 927,982.20 × 366,531.60
  4. Step 4: Simplify right side
    672,455.28x = 340,134,800,537.52
  5. Step 5: Solve for x
    x = 340,134,800,537.52/672,455.28
  6. Step 6: Final answer
    x = 505,810.29

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1.5x scale

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.