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Finding the Fourth Proportional to 676,472.68, 933,109.86 and 435,069.64

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Solution

The fourth proportional to 676,472.68, 933,109.86 and 435,069.64 is: 600,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,472.68 : 933,109.86 = 435,069.64 : x
  2. Step 2: Convert to fraction form
    676,472.68/933,109.86 = 435,069.64/x
  3. Step 3: Cross multiply
    676,472.68x = 933,109.86 × 435,069.64
  4. Step 4: Simplify right side
    676,472.68x = 405,967,770,870.65
  5. Step 5: Solve for x
    x = 405,967,770,870.65/676,472.68
  6. Step 6: Final answer
    x = 600,124.41

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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.