Home / 718,492.32-1,075,067.64-451,000.80

Finding the Fourth Proportional to 718,492.32, 1,075,067.64 and 451,000.80

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Solution

The fourth proportional to 718,492.32, 1,075,067.64 and 451,000.80 is: 674,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,492.32 : 1,075,067.64 = 451,000.80 : x
  2. Step 2: Convert to fraction form
    718,492.32/1,075,067.64 = 451,000.80/x
  3. Step 3: Cross multiply
    718,492.32x = 1,075,067.64 × 451,000.80
  4. Step 4: Simplify right side
    718,492.32x = 484,856,365,694.11
  5. Step 5: Solve for x
    x = 484,856,365,694.11/718,492.32
  6. Step 6: Final answer
    x = 674,824.70

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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.