Home / 725,855.50-1,001,680.59-407,903.50

Finding the Fourth Proportional to 725,855.50, 1,001,680.59 and 407,903.50

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Solution

The fourth proportional to 725,855.50, 1,001,680.59 and 407,903.50 is: 562,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,855.50 : 1,001,680.59 = 407,903.50 : x
  2. Step 2: Convert to fraction form
    725,855.50/1,001,680.59 = 407,903.50/x
  3. Step 3: Cross multiply
    725,855.50x = 1,001,680.59 × 407,903.50
  4. Step 4: Simplify right side
    725,855.50x = 408,589,018,543.07
  5. Step 5: Solve for x
    x = 408,589,018,543.07/725,855.50
  6. Step 6: Final answer
    x = 562,906.83

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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.