Home / 739,959.28-1,021,143.81-400,427.53

Finding the Fourth Proportional to 739,959.28, 1,021,143.81 and 400,427.53

Calculator

Solution

The fourth proportional to 739,959.28, 1,021,143.81 and 400,427.53 is: 552,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,959.28 : 1,021,143.81 = 400,427.53 : x
  2. Step 2: Convert to fraction form
    739,959.28/1,021,143.81 = 400,427.53/x
  3. Step 3: Cross multiply
    739,959.28x = 1,021,143.81 × 400,427.53
  4. Step 4: Simplify right side
    739,959.28x = 408,894,094,889.52
  5. Step 5: Solve for x
    x = 408,894,094,889.52/739,959.28
  6. Step 6: Final answer
    x = 552,589.99

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.