Home / 695,229.76-1,042,582.18-320,990.32

Finding the Fourth Proportional to 695,229.76, 1,042,582.18 and 320,990.32

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Solution

The fourth proportional to 695,229.76, 1,042,582.18 and 320,990.32 is: 481,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,229.76 : 1,042,582.18 = 320,990.32 : x
  2. Step 2: Convert to fraction form
    695,229.76/1,042,582.18 = 320,990.32/x
  3. Step 3: Cross multiply
    695,229.76x = 1,042,582.18 × 320,990.32
  4. Step 4: Simplify right side
    695,229.76x = 334,658,787,584.50
  5. Step 5: Solve for x
    x = 334,658,787,584.50/695,229.76
  6. Step 6: Final answer
    x = 481,364.30

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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.