Home / 458,523.40-687,785.10-403,227.40

Finding the Fourth Proportional to 458,523.40, 687,785.10 and 403,227.40

Calculator

Solution

The fourth proportional to 458,523.40, 687,785.10 and 403,227.40 is: 604,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,523.40 : 687,785.10 = 403,227.40 : x
  2. Step 2: Convert to fraction form
    458,523.40/687,785.10 = 403,227.40/x
  3. Step 3: Cross multiply
    458,523.40x = 687,785.10 × 403,227.40
  4. Step 4: Simplify right side
    458,523.40x = 277,333,797,631.74
  5. Step 5: Solve for x
    x = 277,333,797,631.74/458,523.40
  6. Step 6: Final answer
    x = 604,841.10

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.