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Finding the Fourth Proportional to 601,671.74, 830,288.21 and 329,734.69

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Solution

The fourth proportional to 601,671.74, 830,288.21 and 329,734.69 is: 455,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,671.74 : 830,288.21 = 329,734.69 : x
  2. Step 2: Convert to fraction form
    601,671.74/830,288.21 = 329,734.69/x
  3. Step 3: Cross multiply
    601,671.74x = 830,288.21 × 329,734.69
  4. Step 4: Simplify right side
    601,671.74x = 273,774,821,810.61
  5. Step 5: Solve for x
    x = 273,774,821,810.61/601,671.74
  6. Step 6: Final answer
    x = 455,023.57

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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.