Home / 695,950.03-960,478.46-390,078.37

Finding the Fourth Proportional to 695,950.03, 960,478.46 and 390,078.37

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Solution

The fourth proportional to 695,950.03, 960,478.46 and 390,078.37 is: 538,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,950.03 : 960,478.46 = 390,078.37 : x
  2. Step 2: Convert to fraction form
    695,950.03/960,478.46 = 390,078.37/x
  3. Step 3: Cross multiply
    695,950.03x = 960,478.46 × 390,078.37
  4. Step 4: Simplify right side
    695,950.03x = 374,661,872,096.91
  5. Step 5: Solve for x
    x = 374,661,872,096.91/695,950.03
  6. Step 6: Final answer
    x = 538,345.94

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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.