Home / 726,762.14-1,002,931.76-404,548.35

Finding the Fourth Proportional to 726,762.14, 1,002,931.76 and 404,548.35

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Solution

The fourth proportional to 726,762.14, 1,002,931.76 and 404,548.35 is: 558,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,762.14 : 1,002,931.76 = 404,548.35 : x
  2. Step 2: Convert to fraction form
    726,762.14/1,002,931.76 = 404,548.35/x
  3. Step 3: Cross multiply
    726,762.14x = 1,002,931.76 × 404,548.35
  4. Step 4: Simplify right side
    726,762.14x = 405,734,390,408.85
  5. Step 5: Solve for x
    x = 405,734,390,408.85/726,762.14
  6. Step 6: Final answer
    x = 558,276.73

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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.