Home / 808,175.55-1,115,289.81-445,612.41

Finding the Fourth Proportional to 808,175.55, 1,115,289.81 and 445,612.41

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Solution

The fourth proportional to 808,175.55, 1,115,289.81 and 445,612.41 is: 614,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,175.55 : 1,115,289.81 = 445,612.41 : x
  2. Step 2: Convert to fraction form
    808,175.55/1,115,289.81 = 445,612.41/x
  3. Step 3: Cross multiply
    808,175.55x = 1,115,289.81 × 445,612.41
  4. Step 4: Simplify right side
    808,175.55x = 496,986,983,219.30
  5. Step 5: Solve for x
    x = 496,986,983,219.30/808,175.55
  6. Step 6: Final answer
    x = 614,949.29

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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.