Home / 805,220.90-1,111,208.46-442,668.14

Finding the Fourth Proportional to 805,220.90, 1,111,208.46 and 442,668.14

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Solution

The fourth proportional to 805,220.90, 1,111,208.46 and 442,668.14 is: 610,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,220.90 : 1,111,208.46 = 442,668.14 : x
  2. Step 2: Convert to fraction form
    805,220.90/1,111,208.46 = 442,668.14/x
  3. Step 3: Cross multiply
    805,220.90x = 1,111,208.46 × 442,668.14
  4. Step 4: Simplify right side
    805,220.90x = 491,896,582,140.46
  5. Step 5: Solve for x
    x = 491,896,582,140.46/805,220.90
  6. Step 6: Final answer
    x = 610,884.02

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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.