Home / 407,426.78-562,240.50-226,128.08

Finding the Fourth Proportional to 407,426.78, 562,240.50 and 226,128.08

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Solution

The fourth proportional to 407,426.78, 562,240.50 and 226,128.08 is: 312,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,426.78 : 562,240.50 = 226,128.08 : x
  2. Step 2: Convert to fraction form
    407,426.78/562,240.50 = 226,128.08/x
  3. Step 3: Cross multiply
    407,426.78x = 562,240.50 × 226,128.08
  4. Step 4: Simplify right side
    407,426.78x = 127,138,364,763.24
  5. Step 5: Solve for x
    x = 127,138,364,763.24/407,426.78
  6. Step 6: Final answer
    x = 312,052.06

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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.