Home / 805,336.43-1,111,364.97-442,766.48

Finding the Fourth Proportional to 805,336.43, 1,111,364.97 and 442,766.48

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Solution

The fourth proportional to 805,336.43, 1,111,364.97 and 442,766.48 is: 611,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,336.43 : 1,111,364.97 = 442,766.48 : x
  2. Step 2: Convert to fraction form
    805,336.43/1,111,364.97 = 442,766.48/x
  3. Step 3: Cross multiply
    805,336.43x = 1,111,364.97 × 442,766.48
  4. Step 4: Simplify right side
    805,336.43x = 492,075,155,762.21
  5. Step 5: Solve for x
    x = 492,075,155,762.21/805,336.43
  6. Step 6: Final answer
    x = 611,018.13

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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.