Home / 726,349.44-1,002,357.50-399,682.38

Finding the Fourth Proportional to 726,349.44, 1,002,357.50 and 399,682.38

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Solution

The fourth proportional to 726,349.44, 1,002,357.50 and 399,682.38 is: 551,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,349.44 : 1,002,357.50 = 399,682.38 : x
  2. Step 2: Convert to fraction form
    726,349.44/1,002,357.50 = 399,682.38/x
  3. Step 3: Cross multiply
    726,349.44x = 1,002,357.50 × 399,682.38
  4. Step 4: Simplify right side
    726,349.44x = 400,624,625,075.92
  5. Step 5: Solve for x
    x = 400,624,625,075.92/726,349.44
  6. Step 6: Final answer
    x = 551,559.08

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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.