Home / 898,990.10-1,347,793.95-505,006.10

Finding the Fourth Proportional to 898,990.10, 1,347,793.95 and 505,006.10

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Solution

The fourth proportional to 898,990.10, 1,347,793.95 and 505,006.10 is: 757,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,990.10 : 1,347,793.95 = 505,006.10 : x
  2. Step 2: Convert to fraction form
    898,990.10/1,347,793.95 = 505,006.10/x
  3. Step 3: Cross multiply
    898,990.10x = 1,347,793.95 × 505,006.10
  4. Step 4: Simplify right side
    898,990.10x = 680,644,166,293.10
  5. Step 5: Solve for x
    x = 680,644,166,293.10/898,990.10
  6. Step 6: Final answer
    x = 757,120.87

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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.