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Finding the Fourth Proportional to 797,649.69, 1,100,760 and 435,081.35

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Solution

The fourth proportional to 797,649.69, 1,100,760 and 435,081.35 is: 600,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,649.69 : 1,100,760 = 435,081.35 : x
  2. Step 2: Convert to fraction form
    797,649.69/1,100,760 = 435,081.35/x
  3. Step 3: Cross multiply
    797,649.69x = 1,100,760 × 435,081.35
  4. Step 4: Simplify right side
    797,649.69x = 478,920,141,322.20
  5. Step 5: Solve for x
    x = 478,920,141,322.20/797,649.69
  6. Step 6: Final answer
    x = 600,414.13

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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.