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Finding the Fourth Proportional to 897,368.82, 1,345,762.03 and 298,169.09

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Solution

The fourth proportional to 897,368.82, 1,345,762.03 and 298,169.09 is: 447,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,368.82 : 1,345,762.03 = 298,169.09 : x
  2. Step 2: Convert to fraction form
    897,368.82/1,345,762.03 = 298,169.09/x
  3. Step 3: Cross multiply
    897,368.82x = 1,345,762.03 × 298,169.09
  4. Step 4: Simplify right side
    897,368.82x = 401,264,639,841.65
  5. Step 5: Solve for x
    x = 401,264,639,841.65/897,368.82
  6. Step 6: Final answer
    x = 447,156.88

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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.