Home / 439,447.68-606,421.23-248,465.17

Finding the Fourth Proportional to 439,447.68, 606,421.23 and 248,465.17

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Solution

The fourth proportional to 439,447.68, 606,421.23 and 248,465.17 is: 342,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,447.68 : 606,421.23 = 248,465.17 : x
  2. Step 2: Convert to fraction form
    439,447.68/606,421.23 = 248,465.17/x
  3. Step 3: Cross multiply
    439,447.68x = 606,421.23 × 248,465.17
  4. Step 4: Simplify right side
    439,447.68x = 150,674,555,227.46
  5. Step 5: Solve for x
    x = 150,674,555,227.46/439,447.68
  6. Step 6: Final answer
    x = 342,872.57

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1.5x scale

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.