Home / 764,494.33-1,054,939.42-450,116.21

Finding the Fourth Proportional to 764,494.33, 1,054,939.42 and 450,116.21

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Solution

The fourth proportional to 764,494.33, 1,054,939.42 and 450,116.21 is: 621,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,494.33 : 1,054,939.42 = 450,116.21 : x
  2. Step 2: Convert to fraction form
    764,494.33/1,054,939.42 = 450,116.21/x
  3. Step 3: Cross multiply
    764,494.33x = 1,054,939.42 × 450,116.21
  4. Step 4: Simplify right side
    764,494.33x = 474,845,331,259.42
  5. Step 5: Solve for x
    x = 474,845,331,259.42/764,494.33
  6. Step 6: Final answer
    x = 621,123.42

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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.