Home / 565,414.12-780,277.51-307,291.08

Finding the Fourth Proportional to 565,414.12, 780,277.51 and 307,291.08

Calculator

Solution

The fourth proportional to 565,414.12, 780,277.51 and 307,291.08 is: 424,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,414.12 : 780,277.51 = 307,291.08 : x
  2. Step 2: Convert to fraction form
    565,414.12/780,277.51 = 307,291.08/x
  3. Step 3: Cross multiply
    565,414.12x = 780,277.51 × 307,291.08
  4. Step 4: Simplify right side
    565,414.12x = 239,772,317,979.38
  5. Step 5: Solve for x
    x = 239,772,317,979.38/565,414.12
  6. Step 6: Final answer
    x = 424,064.97

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.