Home / 903.62-1,246.89-510.64

Finding the Fourth Proportional to 903.62, 1,246.89 and 510.64

Calculator

Solution

The fourth proportional to 903.62, 1,246.89 and 510.64 is: 704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.62 : 1,246.89 = 510.64 : x
  2. Step 2: Convert to fraction form
    903.62/1,246.89 = 510.64/x
  3. Step 3: Cross multiply
    903.62x = 1,246.89 × 510.64
  4. Step 4: Simplify right side
    903.62x = 636,715.38
  5. Step 5: Solve for x
    x = 636,715.38/903.62
  6. Step 6: Final answer
    x = 704.63

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.