Home / 779,410.08-1,169,189.64-218,442.96

Finding the Fourth Proportional to 779,410.08, 1,169,189.64 and 218,442.96

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Solution

The fourth proportional to 779,410.08, 1,169,189.64 and 218,442.96 is: 327,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,410.08 : 1,169,189.64 = 218,442.96 : x
  2. Step 2: Convert to fraction form
    779,410.08/1,169,189.64 = 218,442.96/x
  3. Step 3: Cross multiply
    779,410.08x = 1,169,189.64 × 218,442.96
  4. Step 4: Simplify right side
    779,410.08x = 255,401,245,762.93
  5. Step 5: Solve for x
    x = 255,401,245,762.93/779,410.08
  6. Step 6: Final answer
    x = 327,685.33

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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.