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Finding the Fourth Proportional to 437,335.40, 656,003.10 and 406,231.40

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Solution

The fourth proportional to 437,335.40, 656,003.10 and 406,231.40 is: 609,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,335.40 : 656,003.10 = 406,231.40 : x
  2. Step 2: Convert to fraction form
    437,335.40/656,003.10 = 406,231.40/x
  3. Step 3: Cross multiply
    437,335.40x = 656,003.10 × 406,231.40
  4. Step 4: Simplify right side
    437,335.40x = 266,489,057,717.34
  5. Step 5: Solve for x
    x = 266,489,057,717.34/437,335.40
  6. Step 6: Final answer
    x = 609,347.10

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