Home / 725,164.92-1,000,405.62-483,211.44

Finding the Fourth Proportional to 725,164.92, 1,000,405.62 and 483,211.44

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Solution

The fourth proportional to 725,164.92, 1,000,405.62 and 483,211.44 is: 666,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,164.92 : 1,000,405.62 = 483,211.44 : x
  2. Step 2: Convert to fraction form
    725,164.92/1,000,405.62 = 483,211.44/x
  3. Step 3: Cross multiply
    725,164.92x = 1,000,405.62 × 483,211.44
  4. Step 4: Simplify right side
    725,164.92x = 483,407,440,224.29
  5. Step 5: Solve for x
    x = 483,407,440,224.29/725,164.92
  6. Step 6: Final answer
    x = 666,617.24

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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.