Home / 764,932.10-1,055,607.36-425,400.35

Finding the Fourth Proportional to 764,932.10, 1,055,607.36 and 425,400.35

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Solution

The fourth proportional to 764,932.10, 1,055,607.36 and 425,400.35 is: 587,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,932.10 : 1,055,607.36 = 425,400.35 : x
  2. Step 2: Convert to fraction form
    764,932.10/1,055,607.36 = 425,400.35/x
  3. Step 3: Cross multiply
    764,932.10x = 1,055,607.36 × 425,400.35
  4. Step 4: Simplify right side
    764,932.10x = 449,055,740,406.58
  5. Step 5: Solve for x
    x = 449,055,740,406.58/764,932.10
  6. Step 6: Final answer
    x = 587,053.07

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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.