Home / 407,715.72-562,632.27-226,439.32

Finding the Fourth Proportional to 407,715.72, 562,632.27 and 226,439.32

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Solution

The fourth proportional to 407,715.72, 562,632.27 and 226,439.32 is: 312,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,715.72 : 562,632.27 = 226,439.32 : x
  2. Step 2: Convert to fraction form
    407,715.72/562,632.27 = 226,439.32/x
  3. Step 3: Cross multiply
    407,715.72x = 562,632.27 × 226,439.32
  4. Step 4: Simplify right side
    407,715.72x = 127,402,067,496.66
  5. Step 5: Solve for x
    x = 127,402,067,496.66/407,715.72
  6. Step 6: Final answer
    x = 312,477.69

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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.