Home / 808,537.08-1,115,786.28-445,970.64

Finding the Fourth Proportional to 808,537.08, 1,115,786.28 and 445,970.64

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Solution

The fourth proportional to 808,537.08, 1,115,786.28 and 445,970.64 is: 615,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,537.08 : 1,115,786.28 = 445,970.64 : x
  2. Step 2: Convert to fraction form
    808,537.08/1,115,786.28 = 445,970.64/x
  3. Step 3: Cross multiply
    808,537.08x = 1,115,786.28 × 445,970.64
  4. Step 4: Simplify right side
    808,537.08x = 497,607,921,394.82
  5. Step 5: Solve for x
    x = 497,607,921,394.82/808,537.08
  6. Step 6: Final answer
    x = 615,442.30

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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.