Home / 805,364.66-1,111,379.73-442,788.14

Finding the Fourth Proportional to 805,364.66, 1,111,379.73 and 442,788.14

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Solution

The fourth proportional to 805,364.66, 1,111,379.73 and 442,788.14 is: 611,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,364.66 : 1,111,379.73 = 442,788.14 : x
  2. Step 2: Convert to fraction form
    805,364.66/1,111,379.73 = 442,788.14/x
  3. Step 3: Cross multiply
    805,364.66x = 1,111,379.73 × 442,788.14
  4. Step 4: Simplify right side
    805,364.66x = 492,105,763,480.40
  5. Step 5: Solve for x
    x = 492,105,763,480.40/805,364.66
  6. Step 6: Final answer
    x = 611,034.71

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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.