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Finding the Fourth Proportional to 773,833.40, 1,067,838.03 and 429,651.54

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Solution

The fourth proportional to 773,833.40, 1,067,838.03 and 429,651.54 is: 592,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,833.40 : 1,067,838.03 = 429,651.54 : x
  2. Step 2: Convert to fraction form
    773,833.40/1,067,838.03 = 429,651.54/x
  3. Step 3: Cross multiply
    773,833.40x = 1,067,838.03 × 429,651.54
  4. Step 4: Simplify right side
    773,833.40x = 458,798,254,060.07
  5. Step 5: Solve for x
    x = 458,798,254,060.07/773,833.40
  6. Step 6: Final answer
    x = 592,890.22

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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.