Home / 579,180.04-798,794.55-407,665.78

Finding the Fourth Proportional to 579,180.04, 798,794.55 and 407,665.78

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Solution

The fourth proportional to 579,180.04, 798,794.55 and 407,665.78 is: 562,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,180.04 : 798,794.55 = 407,665.78 : x
  2. Step 2: Convert to fraction form
    579,180.04/798,794.55 = 407,665.78/x
  3. Step 3: Cross multiply
    579,180.04x = 798,794.55 × 407,665.78
  4. Step 4: Simplify right side
    579,180.04x = 325,641,199,291.53
  5. Step 5: Solve for x
    x = 325,641,199,291.53/579,180.04
  6. Step 6: Final answer
    x = 562,245.21

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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.