Home / 774,102.60-1,068,074.64-451,628.64

Finding the Fourth Proportional to 774,102.60, 1,068,074.64 and 451,628.64

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Solution

The fourth proportional to 774,102.60, 1,068,074.64 and 451,628.64 is: 623,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,102.60 : 1,068,074.64 = 451,628.64 : x
  2. Step 2: Convert to fraction form
    774,102.60/1,068,074.64 = 451,628.64/x
  3. Step 3: Cross multiply
    774,102.60x = 1,068,074.64 × 451,628.64
  4. Step 4: Simplify right side
    774,102.60x = 482,373,097,081.69
  5. Step 5: Solve for x
    x = 482,373,097,081.69/774,102.60
  6. Step 6: Final answer
    x = 623,138.45

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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.