Home / 710,816.85-1,066,067.87-205,267.77

Finding the Fourth Proportional to 710,816.85, 1,066,067.87 and 205,267.77

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Solution

The fourth proportional to 710,816.85, 1,066,067.87 and 205,267.77 is: 307,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,816.85 : 1,066,067.87 = 205,267.77 : x
  2. Step 2: Convert to fraction form
    710,816.85/1,066,067.87 = 205,267.77/x
  3. Step 3: Cross multiply
    710,816.85x = 1,066,067.87 × 205,267.77
  4. Step 4: Simplify right side
    710,816.85x = 218,829,373,317.21
  5. Step 5: Solve for x
    x = 218,829,373,317.21/710,816.85
  6. Step 6: Final answer
    x = 307,856.20

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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.