Home / 808,063.35-1,115,134.64-445,500.06

Finding the Fourth Proportional to 808,063.35, 1,115,134.64 and 445,500.06

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Solution

The fourth proportional to 808,063.35, 1,115,134.64 and 445,500.06 is: 614,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,063.35 : 1,115,134.64 = 445,500.06 : x
  2. Step 2: Convert to fraction form
    808,063.35/1,115,134.64 = 445,500.06/x
  3. Step 3: Cross multiply
    808,063.35x = 1,115,134.64 × 445,500.06
  4. Step 4: Simplify right side
    808,063.35x = 496,792,549,028.08
  5. Step 5: Solve for x
    x = 496,792,549,028.08/808,063.35
  6. Step 6: Final answer
    x = 614,794.06

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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.