Home / 764,725.20-1,055,317.32-425,173.20

Finding the Fourth Proportional to 764,725.20, 1,055,317.32 and 425,173.20

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Solution

The fourth proportional to 764,725.20, 1,055,317.32 and 425,173.20 is: 586,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,725.20 : 1,055,317.32 = 425,173.20 : x
  2. Step 2: Convert to fraction form
    764,725.20/1,055,317.32 = 425,173.20/x
  3. Step 3: Cross multiply
    764,725.20x = 1,055,317.32 × 425,173.20
  4. Step 4: Simplify right side
    764,725.20x = 448,692,641,959.82
  5. Step 5: Solve for x
    x = 448,692,641,959.82/764,725.20
  6. Step 6: Final answer
    x = 586,737.09

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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.