Home / 736,975.27-1,103,691.40-420,472.63

Finding the Fourth Proportional to 736,975.27, 1,103,691.40 and 420,472.63

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Solution

The fourth proportional to 736,975.27, 1,103,691.40 and 420,472.63 is: 629,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,975.27 : 1,103,691.40 = 420,472.63 : x
  2. Step 2: Convert to fraction form
    736,975.27/1,103,691.40 = 420,472.63/x
  3. Step 3: Cross multiply
    736,975.27x = 1,103,691.40 × 420,472.63
  4. Step 4: Simplify right side
    736,975.27x = 464,072,023,564.02
  5. Step 5: Solve for x
    x = 464,072,023,564.02/736,975.27
  6. Step 6: Final answer
    x = 629,698.23

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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.