Home / 631,631.55-871,673.03-345,170.09

Finding the Fourth Proportional to 631,631.55, 871,673.03 and 345,170.09

Calculator

Solution

The fourth proportional to 631,631.55, 871,673.03 and 345,170.09 is: 476,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,631.55 : 871,673.03 = 345,170.09 : x
  2. Step 2: Convert to fraction form
    631,631.55/871,673.03 = 345,170.09/x
  3. Step 3: Cross multiply
    631,631.55x = 871,673.03 × 345,170.09
  4. Step 4: Simplify right side
    631,631.55x = 300,875,459,963.39
  5. Step 5: Solve for x
    x = 300,875,459,963.39/631,631.55
  6. Step 6: Final answer
    x = 476,346.47

Related Problems

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.