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Finding the Fourth Proportional to 555,804.16, 767,024 and 341,062.88

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Solution

The fourth proportional to 555,804.16, 767,024 and 341,062.88 is: 470,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,804.16 : 767,024 = 341,062.88 : x
  2. Step 2: Convert to fraction form
    555,804.16/767,024 = 341,062.88/x
  3. Step 3: Cross multiply
    555,804.16x = 767,024 × 341,062.88
  4. Step 4: Simplify right side
    555,804.16x = 261,603,414,469.12
  5. Step 5: Solve for x
    x = 261,603,414,469.12/555,804.16
  6. Step 6: Final answer
    x = 470,675.52

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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.