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Finding the Fourth Proportional to 702,684.58, 969,703.62 and 380,394.59

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Solution

The fourth proportional to 702,684.58, 969,703.62 and 380,394.59 is: 524,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,684.58 : 969,703.62 = 380,394.59 : x
  2. Step 2: Convert to fraction form
    702,684.58/969,703.62 = 380,394.59/x
  3. Step 3: Cross multiply
    702,684.58x = 969,703.62 × 380,394.59
  4. Step 4: Simplify right side
    702,684.58x = 368,870,010,951.42
  5. Step 5: Solve for x
    x = 368,870,010,951.42/702,684.58
  6. Step 6: Final answer
    x = 524,943.94

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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.