Home / 694,683.02-958,714.08-388,790.06

Finding the Fourth Proportional to 694,683.02, 958,714.08 and 388,790.06

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Solution

The fourth proportional to 694,683.02, 958,714.08 and 388,790.06 is: 536,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,683.02 : 958,714.08 = 388,790.06 : x
  2. Step 2: Convert to fraction form
    694,683.02/958,714.08 = 388,790.06/x
  3. Step 3: Cross multiply
    694,683.02x = 958,714.08 × 388,790.06
  4. Step 4: Simplify right side
    694,683.02x = 372,738,504,686.05
  5. Step 5: Solve for x
    x = 372,738,504,686.05/694,683.02
  6. Step 6: Final answer
    x = 536,559.11

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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.