Home / 695,949.03-960,477.08-390,077.37

Finding the Fourth Proportional to 695,949.03, 960,477.08 and 390,077.37

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Solution

The fourth proportional to 695,949.03, 960,477.08 and 390,077.37 is: 538,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,949.03 : 960,477.08 = 390,077.37 : x
  2. Step 2: Convert to fraction form
    695,949.03/960,477.08 = 390,077.37/x
  3. Step 3: Cross multiply
    695,949.03x = 960,477.08 × 390,077.37
  4. Step 4: Simplify right side
    695,949.03x = 374,660,371,361.29
  5. Step 5: Solve for x
    x = 374,660,371,361.29/695,949.03
  6. Step 6: Final answer
    x = 538,344.56

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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.