Home / 825,018.14-1,138,577.64-462,442.09

Finding the Fourth Proportional to 825,018.14, 1,138,577.64 and 462,442.09

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Solution

The fourth proportional to 825,018.14, 1,138,577.64 and 462,442.09 is: 638,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,018.14 : 1,138,577.64 = 462,442.09 : x
  2. Step 2: Convert to fraction form
    825,018.14/1,138,577.64 = 462,442.09/x
  3. Step 3: Cross multiply
    825,018.14x = 1,138,577.64 × 462,442.09
  4. Step 4: Simplify right side
    825,018.14x = 526,526,222,356.58
  5. Step 5: Solve for x
    x = 526,526,222,356.58/825,018.14
  6. Step 6: Final answer
    x = 638,199.57

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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.