Home / 764,582.29-1,055,150.62-420,444.30

Finding the Fourth Proportional to 764,582.29, 1,055,150.62 and 420,444.30

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Solution

The fourth proportional to 764,582.29, 1,055,150.62 and 420,444.30 is: 580,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,582.29 : 1,055,150.62 = 420,444.30 : x
  2. Step 2: Convert to fraction form
    764,582.29/1,055,150.62 = 420,444.30/x
  3. Step 3: Cross multiply
    764,582.29x = 1,055,150.62 × 420,444.30
  4. Step 4: Simplify right side
    764,582.29x = 443,632,066,726.17
  5. Step 5: Solve for x
    x = 443,632,066,726.17/764,582.29
  6. Step 6: Final answer
    x = 580,228.02

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Double scale
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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.