Home / 835,370.10-1,253,582.28-355,597.20

Finding the Fourth Proportional to 835,370.10, 1,253,582.28 and 355,597.20

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Solution

The fourth proportional to 835,370.10, 1,253,582.28 and 355,597.20 is: 533,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,370.10 : 1,253,582.28 = 355,597.20 : x
  2. Step 2: Convert to fraction form
    835,370.10/1,253,582.28 = 355,597.20/x
  3. Step 3: Cross multiply
    835,370.10x = 1,253,582.28 × 355,597.20
  4. Step 4: Simplify right side
    835,370.10x = 445,770,348,737.62
  5. Step 5: Solve for x
    x = 445,770,348,737.62/835,370.10
  6. Step 6: Final answer
    x = 533,620.19

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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.