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Finding the Fourth Proportional to 788,008.88, 1,182,129.96 and 289,334

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Solution

The fourth proportional to 788,008.88, 1,182,129.96 and 289,334 is: 434,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,008.88 : 1,182,129.96 = 289,334 : x
  2. Step 2: Convert to fraction form
    788,008.88/1,182,129.96 = 289,334/x
  3. Step 3: Cross multiply
    788,008.88x = 1,182,129.96 × 289,334
  4. Step 4: Simplify right side
    788,008.88x = 342,030,389,846.64
  5. Step 5: Solve for x
    x = 342,030,389,846.64/788,008.88
  6. Step 6: Final answer
    x = 434,043.83

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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.