Home / 774,102.10-1,068,073.95-451,628.14

Finding the Fourth Proportional to 774,102.10, 1,068,073.95 and 451,628.14

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Solution

The fourth proportional to 774,102.10, 1,068,073.95 and 451,628.14 is: 623,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,102.10 : 1,068,073.95 = 451,628.14 : x
  2. Step 2: Convert to fraction form
    774,102.10/1,068,073.95 = 451,628.14/x
  3. Step 3: Cross multiply
    774,102.10x = 1,068,073.95 × 451,628.14
  4. Step 4: Simplify right side
    774,102.10x = 482,372,251,420.95
  5. Step 5: Solve for x
    x = 482,372,251,420.95/774,102.10
  6. Step 6: Final answer
    x = 623,137.76

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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.