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Finding the Fourth Proportional to 702,793.60, 969,843.42 and 380,501.08

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Solution

The fourth proportional to 702,793.60, 969,843.42 and 380,501.08 is: 525,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,793.60 : 969,843.42 = 380,501.08 : x
  2. Step 2: Convert to fraction form
    702,793.60/969,843.42 = 380,501.08/x
  3. Step 3: Cross multiply
    702,793.60x = 969,843.42 × 380,501.08
  4. Step 4: Simplify right side
    702,793.60x = 369,026,468,740.89
  5. Step 5: Solve for x
    x = 369,026,468,740.89/702,793.60
  6. Step 6: Final answer
    x = 525,085.13

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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.