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Finding the Fourth Proportional to 702,763.86, 969,809.55 and 380,473.26

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Solution

The fourth proportional to 702,763.86, 969,809.55 and 380,473.26 is: 525,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,763.86 : 969,809.55 = 380,473.26 : x
  2. Step 2: Convert to fraction form
    702,763.86/969,809.55 = 380,473.26/x
  3. Step 3: Cross multiply
    702,763.86x = 969,809.55 × 380,473.26
  4. Step 4: Simplify right side
    702,763.86x = 368,986,601,067.63
  5. Step 5: Solve for x
    x = 368,986,601,067.63/702,763.86
  6. Step 6: Final answer
    x = 525,050.62

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1.5x scale

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.