Home / 695,337.13-959,519.55-389,343.36

Finding the Fourth Proportional to 695,337.13, 959,519.55 and 389,343.36

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Solution

The fourth proportional to 695,337.13, 959,519.55 and 389,343.36 is: 537,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,337.13 : 959,519.55 = 389,343.36 : x
  2. Step 2: Convert to fraction form
    695,337.13/959,519.55 = 389,343.36/x
  3. Step 3: Cross multiply
    695,337.13x = 959,519.55 × 389,343.36
  4. Step 4: Simplify right side
    695,337.13x = 373,582,565,582.69
  5. Step 5: Solve for x
    x = 373,582,565,582.69/695,337.13
  6. Step 6: Final answer
    x = 537,268.26

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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.