Home / 774,317.64-1,068,371.40-451,843.68

Finding the Fourth Proportional to 774,317.64, 1,068,371.40 and 451,843.68

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Solution

The fourth proportional to 774,317.64, 1,068,371.40 and 451,843.68 is: 623,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,317.64 : 1,068,371.40 = 451,843.68 : x
  2. Step 2: Convert to fraction form
    774,317.64/1,068,371.40 = 451,843.68/x
  3. Step 3: Cross multiply
    774,317.64x = 1,068,371.40 × 451,843.68
  4. Step 4: Simplify right side
    774,317.64x = 482,736,864,982.75
  5. Step 5: Solve for x
    x = 482,736,864,982.75/774,317.64
  6. Step 6: Final answer
    x = 623,435.19

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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.