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Finding the Fourth Proportional to 601,989.62, 830,713.92 and 343,815.81

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Solution

The fourth proportional to 601,989.62, 830,713.92 and 343,815.81 is: 474,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,989.62 : 830,713.92 = 343,815.81 : x
  2. Step 2: Convert to fraction form
    601,989.62/830,713.92 = 343,815.81/x
  3. Step 3: Cross multiply
    601,989.62x = 830,713.92 × 343,815.81
  4. Step 4: Simplify right side
    601,989.62x = 285,612,579,283.08
  5. Step 5: Solve for x
    x = 285,612,579,283.08/601,989.62
  6. Step 6: Final answer
    x = 474,447.69

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1.5x scale

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.