Home / 407,279.13-562,036.59-225,987.09

Finding the Fourth Proportional to 407,279.13, 562,036.59 and 225,987.09

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Solution

The fourth proportional to 407,279.13, 562,036.59 and 225,987.09 is: 311,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,279.13 : 562,036.59 = 225,987.09 : x
  2. Step 2: Convert to fraction form
    407,279.13/562,036.59 = 225,987.09/x
  3. Step 3: Cross multiply
    407,279.13x = 562,036.59 × 225,987.09
  4. Step 4: Simplify right side
    407,279.13x = 127,013,013,447.62
  5. Step 5: Solve for x
    x = 127,013,013,447.62/407,279.13
  6. Step 6: Final answer
    x = 311,857.41

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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.