Home / 764,829.68-1,055,465.84-425,290.64

Finding the Fourth Proportional to 764,829.68, 1,055,465.84 and 425,290.64

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Solution

The fourth proportional to 764,829.68, 1,055,465.84 and 425,290.64 is: 586,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,829.68 : 1,055,465.84 = 425,290.64 : x
  2. Step 2: Convert to fraction form
    764,829.68/1,055,465.84 = 425,290.64/x
  3. Step 3: Cross multiply
    764,829.68x = 1,055,465.84 × 425,290.64
  4. Step 4: Simplify right side
    764,829.68x = 448,879,742,591.74
  5. Step 5: Solve for x
    x = 448,879,742,591.74/764,829.68
  6. Step 6: Final answer
    x = 586,901.57

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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.