Home / 764,097.87-1,054,460.12-477,785.55

Finding the Fourth Proportional to 764,097.87, 1,054,460.12 and 477,785.55

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Solution

The fourth proportional to 764,097.87, 1,054,460.12 and 477,785.55 is: 659,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,097.87 : 1,054,460.12 = 477,785.55 : x
  2. Step 2: Convert to fraction form
    764,097.87/1,054,460.12 = 477,785.55/x
  3. Step 3: Cross multiply
    764,097.87x = 1,054,460.12 × 477,785.55
  4. Step 4: Simplify right side
    764,097.87x = 503,805,805,998.34
  5. Step 5: Solve for x
    x = 503,805,805,998.34/764,097.87
  6. Step 6: Final answer
    x = 659,347.22

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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.