Home / 407,705.45-562,641.01-226,434.29

Finding the Fourth Proportional to 407,705.45, 562,641.01 and 226,434.29

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Solution

The fourth proportional to 407,705.45, 562,641.01 and 226,434.29 is: 312,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,705.45 : 562,641.01 = 226,434.29 : x
  2. Step 2: Convert to fraction form
    407,705.45/562,641.01 = 226,434.29/x
  3. Step 3: Cross multiply
    407,705.45x = 562,641.01 × 226,434.29
  4. Step 4: Simplify right side
    407,705.45x = 127,401,214,244.94
  5. Step 5: Solve for x
    x = 127,401,214,244.94/407,705.45
  6. Step 6: Final answer
    x = 312,483.48

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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.