Home / 803,357.28-1,203,903.18-443,690.28

Finding the Fourth Proportional to 803,357.28, 1,203,903.18 and 443,690.28

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Solution

The fourth proportional to 803,357.28, 1,203,903.18 and 443,690.28 is: 664,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,357.28 : 1,203,903.18 = 443,690.28 : x
  2. Step 2: Convert to fraction form
    803,357.28/1,203,903.18 = 443,690.28/x
  3. Step 3: Cross multiply
    803,357.28x = 1,203,903.18 × 443,690.28
  4. Step 4: Simplify right side
    803,357.28x = 534,160,139,027.09
  5. Step 5: Solve for x
    x = 534,160,139,027.09/803,357.28
  6. Step 6: Final answer
    x = 664,909.81

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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.