Home / 803,399.31-1,108,725.76-481,047.86

Finding the Fourth Proportional to 803,399.31, 1,108,725.76 and 481,047.86

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Solution

The fourth proportional to 803,399.31, 1,108,725.76 and 481,047.86 is: 663,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,399.31 : 1,108,725.76 = 481,047.86 : x
  2. Step 2: Convert to fraction form
    803,399.31/1,108,725.76 = 481,047.86/x
  3. Step 3: Cross multiply
    803,399.31x = 1,108,725.76 × 481,047.86
  4. Step 4: Simplify right side
    803,399.31x = 533,350,146,226.01
  5. Step 5: Solve for x
    x = 533,350,146,226.01/803,399.31
  6. Step 6: Final answer
    x = 663,866.83

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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.