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Finding the Fourth Proportional to 601,767.82, 830,405.82 and 329,783.86

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Solution

The fourth proportional to 601,767.82, 830,405.82 and 329,783.86 is: 455,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,767.82 : 830,405.82 = 329,783.86 : x
  2. Step 2: Convert to fraction form
    601,767.82/830,405.82 = 329,783.86/x
  3. Step 3: Cross multiply
    601,767.82x = 830,405.82 × 329,783.86
  4. Step 4: Simplify right side
    601,767.82x = 273,854,436,686.07
  5. Step 5: Solve for x
    x = 273,854,436,686.07/601,767.82
  6. Step 6: Final answer
    x = 455,083.22

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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.