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Finding the Fourth Proportional to 602,383.44, 831,295.56 and 330,451.86

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Solution

The fourth proportional to 602,383.44, 831,295.56 and 330,451.86 is: 456,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,383.44 : 831,295.56 = 330,451.86 : x
  2. Step 2: Convert to fraction form
    602,383.44/831,295.56 = 330,451.86/x
  3. Step 3: Cross multiply
    602,383.44x = 831,295.56 × 330,451.86
  4. Step 4: Simplify right side
    602,383.44x = 274,703,164,011.74
  5. Step 5: Solve for x
    x = 274,703,164,011.74/602,383.44
  6. Step 6: Final answer
    x = 456,027.08

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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.