Home / 867,863.08-1,302,636.48-418,900.24

Finding the Fourth Proportional to 867,863.08, 1,302,636.48 and 418,900.24

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Solution

The fourth proportional to 867,863.08, 1,302,636.48 and 418,900.24 is: 628,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,863.08 : 1,302,636.48 = 418,900.24 : x
  2. Step 2: Convert to fraction form
    867,863.08/1,302,636.48 = 418,900.24/x
  3. Step 3: Cross multiply
    867,863.08x = 1,302,636.48 × 418,900.24
  4. Step 4: Simplify right side
    867,863.08x = 545,674,734,104.76
  5. Step 5: Solve for x
    x = 545,674,734,104.76/867,863.08
  6. Step 6: Final answer
    x = 628,756.71

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1.5x scale

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.