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Finding the Fourth Proportional to 528,602.42, 792,896.53 and 129,246.63

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Solution

The fourth proportional to 528,602.42, 792,896.53 and 129,246.63 is: 193,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,602.42 : 792,896.53 = 129,246.63 : x
  2. Step 2: Convert to fraction form
    528,602.42/792,896.53 = 129,246.63/x
  3. Step 3: Cross multiply
    528,602.42x = 792,896.53 × 129,246.63
  4. Step 4: Simplify right side
    528,602.42x = 102,479,204,441.19
  5. Step 5: Solve for x
    x = 102,479,204,441.19/528,602.42
  6. Step 6: Final answer
    x = 193,868.21

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.