Home / 808,546.96-1,115,800.06-445,980.61

Finding the Fourth Proportional to 808,546.96, 1,115,800.06 and 445,980.61

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Solution

The fourth proportional to 808,546.96, 1,115,800.06 and 445,980.61 is: 615,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,546.96 : 1,115,800.06 = 445,980.61 : x
  2. Step 2: Convert to fraction form
    808,546.96/1,115,800.06 = 445,980.61/x
  3. Step 3: Cross multiply
    808,546.96x = 1,115,800.06 × 445,980.61
  4. Step 4: Simplify right side
    808,546.96x = 497,625,191,396.84
  5. Step 5: Solve for x
    x = 497,625,191,396.84/808,546.96
  6. Step 6: Final answer
    x = 615,456.14

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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.