Home / 764,722.43-1,055,018.27-437,860.76

Finding the Fourth Proportional to 764,722.43, 1,055,018.27 and 437,860.76

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Solution

The fourth proportional to 764,722.43, 1,055,018.27 and 437,860.76 is: 604,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,722.43 : 1,055,018.27 = 437,860.76 : x
  2. Step 2: Convert to fraction form
    764,722.43/1,055,018.27 = 437,860.76/x
  3. Step 3: Cross multiply
    764,722.43x = 1,055,018.27 × 437,860.76
  4. Step 4: Simplify right side
    764,722.43x = 461,951,105,248.28
  5. Step 5: Solve for x
    x = 461,951,105,248.28/764,722.43
  6. Step 6: Final answer
    x = 604,076.84

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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.