Home / 764,040.36-1,054,381.95-477,726.42

Finding the Fourth Proportional to 764,040.36, 1,054,381.95 and 477,726.42

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Solution

The fourth proportional to 764,040.36, 1,054,381.95 and 477,726.42 is: 659,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,040.36 : 1,054,381.95 = 477,726.42 : x
  2. Step 2: Convert to fraction form
    764,040.36/1,054,381.95 = 477,726.42/x
  3. Step 3: Cross multiply
    764,040.36x = 1,054,381.95 × 477,726.42
  4. Step 4: Simplify right side
    764,040.36x = 503,706,114,286.12
  5. Step 5: Solve for x
    x = 503,706,114,286.12/764,040.36
  6. Step 6: Final answer
    x = 659,266.37

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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.