Home / 814,976.64-1,222,465.44-282,497.76

Finding the Fourth Proportional to 814,976.64, 1,222,465.44 and 282,497.76

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Solution

The fourth proportional to 814,976.64, 1,222,465.44 and 282,497.76 is: 423,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,976.64 : 1,222,465.44 = 282,497.76 : x
  2. Step 2: Convert to fraction form
    814,976.64/1,222,465.44 = 282,497.76/x
  3. Step 3: Cross multiply
    814,976.64x = 1,222,465.44 × 282,497.76
  4. Step 4: Simplify right side
    814,976.64x = 345,343,748,477.41
  5. Step 5: Solve for x
    x = 345,343,748,477.41/814,976.64
  6. Step 6: Final answer
    x = 423,746.81

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1.5x scale

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.