Home / 407,979.20-562,919.28-246,830.24

Finding the Fourth Proportional to 407,979.20, 562,919.28 and 246,830.24

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Solution

The fourth proportional to 407,979.20, 562,919.28 and 246,830.24 is: 340,570.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,979.20 : 562,919.28 = 246,830.24 : x
  2. Step 2: Convert to fraction form
    407,979.20/562,919.28 = 246,830.24/x
  3. Step 3: Cross multiply
    407,979.20x = 562,919.28 × 246,830.24
  4. Step 4: Simplify right side
    407,979.20x = 138,945,500,983.03
  5. Step 5: Solve for x
    x = 138,945,500,983.03/407,979.20
  6. Step 6: Final answer
    x = 340,570.06

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1.5x scale

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.