Home / 808,651.80-1,116,298.26-522,311.58

Finding the Fourth Proportional to 808,651.80, 1,116,298.26 and 522,311.58

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Solution

The fourth proportional to 808,651.80, 1,116,298.26 and 522,311.58 is: 721,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,651.80 : 1,116,298.26 = 522,311.58 : x
  2. Step 2: Convert to fraction form
    808,651.80/1,116,298.26 = 522,311.58/x
  3. Step 3: Cross multiply
    808,651.80x = 1,116,298.26 × 522,311.58
  4. Step 4: Simplify right side
    808,651.80x = 583,055,507,931.85
  5. Step 5: Solve for x
    x = 583,055,507,931.85/808,651.80
  6. Step 6: Final answer
    x = 721,021.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.