Home / 698,370.08-1,047,596.52-218,687.60

Finding the Fourth Proportional to 698,370.08, 1,047,596.52 and 218,687.60

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Solution

The fourth proportional to 698,370.08, 1,047,596.52 and 218,687.60 is: 328,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,370.08 : 1,047,596.52 = 218,687.60 : x
  2. Step 2: Convert to fraction form
    698,370.08/1,047,596.52 = 218,687.60/x
  3. Step 3: Cross multiply
    698,370.08x = 1,047,596.52 × 218,687.60
  4. Step 4: Simplify right side
    698,370.08x = 229,096,368,727.15
  5. Step 5: Solve for x
    x = 229,096,368,727.15/698,370.08
  6. Step 6: Final answer
    x = 328,044.36

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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.