Home / 808,635.78-1,115,897.67-446,051.70

Finding the Fourth Proportional to 808,635.78, 1,115,897.67 and 446,051.70

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Solution

The fourth proportional to 808,635.78, 1,115,897.67 and 446,051.70 is: 615,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,635.78 : 1,115,897.67 = 446,051.70 : x
  2. Step 2: Convert to fraction form
    808,635.78/1,115,897.67 = 446,051.70/x
  3. Step 3: Cross multiply
    808,635.78x = 1,115,897.67 × 446,051.70
  4. Step 4: Simplify right side
    808,635.78x = 497,748,052,729.54
  5. Step 5: Solve for x
    x = 497,748,052,729.54/808,635.78
  6. Step 6: Final answer
    x = 615,540.48

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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.