Home / 407,279.38-562,036.93-225,987.34

Finding the Fourth Proportional to 407,279.38, 562,036.93 and 225,987.34

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Solution

The fourth proportional to 407,279.38, 562,036.93 and 225,987.34 is: 311,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,279.38 : 562,036.93 = 225,987.34 : x
  2. Step 2: Convert to fraction form
    407,279.38/562,036.93 = 225,987.34/x
  3. Step 3: Cross multiply
    407,279.38x = 562,036.93 × 225,987.34
  4. Step 4: Simplify right side
    407,279.38x = 127,013,230,792.47
  5. Step 5: Solve for x
    x = 127,013,230,792.47/407,279.38
  6. Step 6: Final answer
    x = 311,857.75

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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.