Home / 764,050.36-1,054,395.75-477,736.42

Finding the Fourth Proportional to 764,050.36, 1,054,395.75 and 477,736.42

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Solution

The fourth proportional to 764,050.36, 1,054,395.75 and 477,736.42 is: 659,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,050.36 : 1,054,395.75 = 477,736.42 : x
  2. Step 2: Convert to fraction form
    764,050.36/1,054,395.75 = 477,736.42/x
  3. Step 3: Cross multiply
    764,050.36x = 1,054,395.75 × 477,736.42
  4. Step 4: Simplify right side
    764,050.36x = 503,723,250,868.22
  5. Step 5: Solve for x
    x = 503,723,250,868.22/764,050.36
  6. Step 6: Final answer
    x = 659,280.17

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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.