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Finding the Fourth Proportional to 453,602.20, 680,403.30 and 404,613.40

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Solution

The fourth proportional to 453,602.20, 680,403.30 and 404,613.40 is: 606,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,602.20 : 680,403.30 = 404,613.40 : x
  2. Step 2: Convert to fraction form
    453,602.20/680,403.30 = 404,613.40/x
  3. Step 3: Cross multiply
    453,602.20x = 680,403.30 × 404,613.40
  4. Step 4: Simplify right side
    453,602.20x = 275,300,292,584.22
  5. Step 5: Solve for x
    x = 275,300,292,584.22/453,602.20
  6. Step 6: Final answer
    x = 606,920.10

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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.