Home / 607,989.62-839,096.74-505,834.86

Finding the Fourth Proportional to 607,989.62, 839,096.74 and 505,834.86

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Solution

The fourth proportional to 607,989.62, 839,096.74 and 505,834.86 is: 698,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,989.62 : 839,096.74 = 505,834.86 : x
  2. Step 2: Convert to fraction form
    607,989.62/839,096.74 = 505,834.86/x
  3. Step 3: Cross multiply
    607,989.62x = 839,096.74 × 505,834.86
  4. Step 4: Simplify right side
    607,989.62x = 424,444,382,004.36
  5. Step 5: Solve for x
    x = 424,444,382,004.36/607,989.62
  6. Step 6: Final answer
    x = 698,111.23

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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.