Home / 1,047.53-1,570.64-354.13

Finding the Fourth Proportional to 1,047.53, 1,570.64 and 354.13

Calculator

Solution

The fourth proportional to 1,047.53, 1,570.64 and 354.13 is: 530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.53 : 1,570.64 = 354.13 : x
  2. Step 2: Convert to fraction form
    1,047.53/1,570.64 = 354.13/x
  3. Step 3: Cross multiply
    1,047.53x = 1,570.64 × 354.13
  4. Step 4: Simplify right side
    1,047.53x = 556,207.70
  5. Step 5: Solve for x
    x = 556,207.70/1,047.53
  6. Step 6: Final answer
    x = 530.97

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.