Home / 695,653.76-960,025.92-389,743.04

Finding the Fourth Proportional to 695,653.76, 960,025.92 and 389,743.04

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Solution

The fourth proportional to 695,653.76, 960,025.92 and 389,743.04 is: 537,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,653.76 : 960,025.92 = 389,743.04 : x
  2. Step 2: Convert to fraction form
    695,653.76/960,025.92 = 389,743.04/x
  3. Step 3: Cross multiply
    695,653.76x = 960,025.92 × 389,743.04
  4. Step 4: Simplify right side
    695,653.76x = 374,163,420,539.60
  5. Step 5: Solve for x
    x = 374,163,420,539.60/695,653.76
  6. Step 6: Final answer
    x = 537,858.69

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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.