Home / 672,055.45-1,008,083.18-298,078.45

Finding the Fourth Proportional to 672,055.45, 1,008,083.18 and 298,078.45

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Solution

The fourth proportional to 672,055.45, 1,008,083.18 and 298,078.45 is: 447,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,055.45 : 1,008,083.18 = 298,078.45 : x
  2. Step 2: Convert to fraction form
    672,055.45/1,008,083.18 = 298,078.45/x
  3. Step 3: Cross multiply
    672,055.45x = 1,008,083.18 × 298,078.45
  4. Step 4: Simplify right side
    672,055.45x = 300,487,871,765.47
  5. Step 5: Solve for x
    x = 300,487,871,765.47/672,055.45
  6. Step 6: Final answer
    x = 447,117.68

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Double scale
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Similar ratio
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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.