Home / 808,317.55-1,115,486.13-445,754.26

Finding the Fourth Proportional to 808,317.55, 1,115,486.13 and 445,754.26

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Solution

The fourth proportional to 808,317.55, 1,115,486.13 and 445,754.26 is: 615,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,317.55 : 1,115,486.13 = 445,754.26 : x
  2. Step 2: Convert to fraction form
    808,317.55/1,115,486.13 = 445,754.26/x
  3. Step 3: Cross multiply
    808,317.55x = 1,115,486.13 × 445,754.26
  4. Step 4: Simplify right side
    808,317.55x = 497,232,694,418.41
  5. Step 5: Solve for x
    x = 497,232,694,418.41/808,317.55
  6. Step 6: Final answer
    x = 615,145.24

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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.