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Finding the Fourth Proportional to 555,093.06, 766,046.97 and 340,191.60

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Solution

The fourth proportional to 555,093.06, 766,046.97 and 340,191.60 is: 469,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,093.06 : 766,046.97 = 340,191.60 : x
  2. Step 2: Convert to fraction form
    555,093.06/766,046.97 = 340,191.60/x
  3. Step 3: Cross multiply
    555,093.06x = 766,046.97 × 340,191.60
  4. Step 4: Simplify right side
    555,093.06x = 260,602,744,399.45
  5. Step 5: Solve for x
    x = 260,602,744,399.45/555,093.06
  6. Step 6: Final answer
    x = 469,475.77

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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.