Home / 819,893.25-1,230,047.46-580,476.21

Finding the Fourth Proportional to 819,893.25, 1,230,047.46 and 580,476.21

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Solution

The fourth proportional to 819,893.25, 1,230,047.46 and 580,476.21 is: 870,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,893.25 : 1,230,047.46 = 580,476.21 : x
  2. Step 2: Convert to fraction form
    819,893.25/1,230,047.46 = 580,476.21/x
  3. Step 3: Cross multiply
    819,893.25x = 1,230,047.46 × 580,476.21
  4. Step 4: Simplify right side
    819,893.25x = 714,013,287,700.93
  5. Step 5: Solve for x
    x = 714,013,287,700.93/819,893.25
  6. Step 6: Final answer
    x = 870,861.28

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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.