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Finding the Fourth Proportional to 804,681, 1,205,183.88 and 384,252.12

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Solution

The fourth proportional to 804,681, 1,205,183.88 and 384,252.12 is: 575,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,681 : 1,205,183.88 = 384,252.12 : x
  2. Step 2: Convert to fraction form
    804,681/1,205,183.88 = 384,252.12/x
  3. Step 3: Cross multiply
    804,681x = 1,205,183.88 × 384,252.12
  4. Step 4: Simplify right side
    804,681x = 463,094,460,879.83
  5. Step 5: Solve for x
    x = 463,094,460,879.83/804,681
  6. Step 6: Final answer
    x = 575,500.68

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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.