Home / 814,784.40-1,222,176.60-282,322.80

Finding the Fourth Proportional to 814,784.40, 1,222,176.60 and 282,322.80

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Solution

The fourth proportional to 814,784.40, 1,222,176.60 and 282,322.80 is: 423,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,784.40 : 1,222,176.60 = 282,322.80 : x
  2. Step 2: Convert to fraction form
    814,784.40/1,222,176.60 = 282,322.80/x
  3. Step 3: Cross multiply
    814,784.40x = 1,222,176.60 × 282,322.80
  4. Step 4: Simplify right side
    814,784.40x = 345,048,319,806.48
  5. Step 5: Solve for x
    x = 345,048,319,806.48/814,784.40
  6. Step 6: Final answer
    x = 423,484.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.