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Finding the Fourth Proportional to 555,884.08, 767,120.90 and 301,235.27

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Solution

The fourth proportional to 555,884.08, 767,120.90 and 301,235.27 is: 415,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,884.08 : 767,120.90 = 301,235.27 : x
  2. Step 2: Convert to fraction form
    555,884.08/767,120.90 = 301,235.27/x
  3. Step 3: Cross multiply
    555,884.08x = 767,120.90 × 301,235.27
  4. Step 4: Simplify right side
    555,884.08x = 231,083,871,434.14
  5. Step 5: Solve for x
    x = 231,083,871,434.14/555,884.08
  6. Step 6: Final answer
    x = 415,705.14

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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.