Home / 486,643.20-671,182.08-295,651.20

Finding the Fourth Proportional to 486,643.20, 671,182.08 and 295,651.20

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Solution

The fourth proportional to 486,643.20, 671,182.08 and 295,651.20 is: 407,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,643.20 : 671,182.08 = 295,651.20 : x
  2. Step 2: Convert to fraction form
    486,643.20/671,182.08 = 295,651.20/x
  3. Step 3: Cross multiply
    486,643.20x = 671,182.08 × 295,651.20
  4. Step 4: Simplify right side
    486,643.20x = 198,435,787,370.50
  5. Step 5: Solve for x
    x = 198,435,787,370.50/486,643.20
  6. Step 6: Final answer
    x = 407,764.43

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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.