Home / 805,202.13-1,111,150.74-442,623.39

Finding the Fourth Proportional to 805,202.13, 1,111,150.74 and 442,623.39

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Solution

The fourth proportional to 805,202.13, 1,111,150.74 and 442,623.39 is: 610,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,202.13 : 1,111,150.74 = 442,623.39 : x
  2. Step 2: Convert to fraction form
    805,202.13/1,111,150.74 = 442,623.39/x
  3. Step 3: Cross multiply
    805,202.13x = 1,111,150.74 × 442,623.39
  4. Step 4: Simplify right side
    805,202.13x = 491,821,304,832.83
  5. Step 5: Solve for x
    x = 491,821,304,832.83/805,202.13
  6. Step 6: Final answer
    x = 610,804.77

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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.