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Finding the Fourth Proportional to 788,006.88, 1,182,126.96 and 289,332

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Solution

The fourth proportional to 788,006.88, 1,182,126.96 and 289,332 is: 434,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,006.88 : 1,182,126.96 = 289,332 : x
  2. Step 2: Convert to fraction form
    788,006.88/1,182,126.96 = 289,332/x
  3. Step 3: Cross multiply
    788,006.88x = 1,182,126.96 × 289,332
  4. Step 4: Simplify right side
    788,006.88x = 342,027,157,590.72
  5. Step 5: Solve for x
    x = 342,027,157,590.72/788,006.88
  6. Step 6: Final answer
    x = 434,040.83

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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.