Home / 489,079.16-674,767.90-295,414.52

Finding the Fourth Proportional to 489,079.16, 674,767.90 and 295,414.52

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Solution

The fourth proportional to 489,079.16, 674,767.90 and 295,414.52 is: 407,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,079.16 : 674,767.90 = 295,414.52 : x
  2. Step 2: Convert to fraction form
    489,079.16/674,767.90 = 295,414.52/x
  3. Step 3: Cross multiply
    489,079.16x = 674,767.90 × 295,414.52
  4. Step 4: Simplify right side
    489,079.16x = 199,336,235,289.91
  5. Step 5: Solve for x
    x = 199,336,235,289.91/489,079.16
  6. Step 6: Final answer
    x = 407,574.58

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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.