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Finding the Fourth Proportional to 452,804.70, 679,207.05 and 403,815.90

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Solution

The fourth proportional to 452,804.70, 679,207.05 and 403,815.90 is: 605,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,804.70 : 679,207.05 = 403,815.90 : x
  2. Step 2: Convert to fraction form
    452,804.70/679,207.05 = 403,815.90/x
  3. Step 3: Cross multiply
    452,804.70x = 679,207.05 × 403,815.90
  4. Step 4: Simplify right side
    452,804.70x = 274,274,606,182.10
  5. Step 5: Solve for x
    x = 274,274,606,182.10/452,804.70
  6. Step 6: Final answer
    x = 605,723.85

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Similar ratio
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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.