Home / 729,797.04-1,007,120.52-407,506.68

Finding the Fourth Proportional to 729,797.04, 1,007,120.52 and 407,506.68

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Solution

The fourth proportional to 729,797.04, 1,007,120.52 and 407,506.68 is: 562,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,797.04 : 1,007,120.52 = 407,506.68 : x
  2. Step 2: Convert to fraction form
    729,797.04/1,007,120.52 = 407,506.68/x
  3. Step 3: Cross multiply
    729,797.04x = 1,007,120.52 × 407,506.68
  4. Step 4: Simplify right side
    729,797.04x = 410,408,339,465.07
  5. Step 5: Solve for x
    x = 410,408,339,465.07/729,797.04
  6. Step 6: Final answer
    x = 562,359.56

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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.