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Finding the Fourth Proportional to 792,357.93, 1,093,445.88 and 429,774

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Solution

The fourth proportional to 792,357.93, 1,093,445.88 and 429,774 is: 593,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,357.93 : 1,093,445.88 = 429,774 : x
  2. Step 2: Convert to fraction form
    792,357.93/1,093,445.88 = 429,774/x
  3. Step 3: Cross multiply
    792,357.93x = 1,093,445.88 × 429,774
  4. Step 4: Simplify right side
    792,357.93x = 469,934,609,631.12
  5. Step 5: Solve for x
    x = 469,934,609,631.12/792,357.93
  6. Step 6: Final answer
    x = 593,083.75

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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.