Home / 407,867.24-562,924.21-339,776.36

Finding the Fourth Proportional to 407,867.24, 562,924.21 and 339,776.36

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Solution

The fourth proportional to 407,867.24, 562,924.21 and 339,776.36 is: 468,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,867.24 : 562,924.21 = 339,776.36 : x
  2. Step 2: Convert to fraction form
    407,867.24/562,924.21 = 339,776.36/x
  3. Step 3: Cross multiply
    407,867.24x = 562,924.21 × 339,776.36
  4. Step 4: Simplify right side
    407,867.24x = 191,268,337,330.79
  5. Step 5: Solve for x
    x = 191,268,337,330.79/407,867.24
  6. Step 6: Final answer
    x = 468,947.54

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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.