Home / 489,388.42-733,961.13-134,384.86

Finding the Fourth Proportional to 489,388.42, 733,961.13 and 134,384.86

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Solution

The fourth proportional to 489,388.42, 733,961.13 and 134,384.86 is: 201,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,388.42 : 733,961.13 = 134,384.86 : x
  2. Step 2: Convert to fraction form
    489,388.42/733,961.13 = 134,384.86/x
  3. Step 3: Cross multiply
    489,388.42x = 733,961.13 × 134,384.86
  4. Step 4: Simplify right side
    489,388.42x = 98,633,263,700.49
  5. Step 5: Solve for x
    x = 98,633,263,700.49/489,388.42
  6. Step 6: Final answer
    x = 201,543.93

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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.