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Finding the Fourth Proportional to 606,123.60, 908,602.20 and 471,112.80

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Solution

The fourth proportional to 606,123.60, 908,602.20 and 471,112.80 is: 706,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.60 : 908,602.20 = 471,112.80 : x
  2. Step 2: Convert to fraction form
    606,123.60/908,602.20 = 471,112.80/x
  3. Step 3: Cross multiply
    606,123.60x = 908,602.20 × 471,112.80
  4. Step 4: Simplify right side
    606,123.60x = 428,054,126,528.16
  5. Step 5: Solve for x
    x = 428,054,126,528.16/606,123.60
  6. Step 6: Final answer
    x = 706,215.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.