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Finding the Fourth Proportional to 475,770.06, 656,563.59 and 260,911.71

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Solution

The fourth proportional to 475,770.06, 656,563.59 and 260,911.71 is: 360,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770.06 : 656,563.59 = 260,911.71 : x
  2. Step 2: Convert to fraction form
    475,770.06/656,563.59 = 260,911.71/x
  3. Step 3: Cross multiply
    475,770.06x = 656,563.59 × 260,911.71
  4. Step 4: Simplify right side
    475,770.06x = 171,305,128,990.64
  5. Step 5: Solve for x
    x = 171,305,128,990.64/475,770.06
  6. Step 6: Final answer
    x = 360,058.66

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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.