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Finding the Fourth Proportional to 804,009.48, 1,205,830.02 and 479,889

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Solution

The fourth proportional to 804,009.48, 1,205,830.02 and 479,889 is: 719,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,009.48 : 1,205,830.02 = 479,889 : x
  2. Step 2: Convert to fraction form
    804,009.48/1,205,830.02 = 479,889/x
  3. Step 3: Cross multiply
    804,009.48x = 1,205,830.02 × 479,889
  4. Step 4: Simplify right side
    804,009.48x = 578,664,562,467.78
  5. Step 5: Solve for x
    x = 578,664,562,467.78/804,009.48
  6. Step 6: Final answer
    x = 719,723.56

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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.