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Finding the Fourth Proportional to 601,460.58, 830,015.58 and 329,538.78

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Solution

The fourth proportional to 601,460.58, 830,015.58 and 329,538.78 is: 454,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,460.58 : 830,015.58 = 329,538.78 : x
  2. Step 2: Convert to fraction form
    601,460.58/830,015.58 = 329,538.78/x
  3. Step 3: Cross multiply
    601,460.58x = 830,015.58 × 329,538.78
  4. Step 4: Simplify right side
    601,460.58x = 273,522,321,614.19
  5. Step 5: Solve for x
    x = 273,522,321,614.19/601,460.58
  6. Step 6: Final answer
    x = 454,763.51

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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.