Home / 862,083.20-1,189,628.04-474,823.26

Finding the Fourth Proportional to 862,083.20, 1,189,628.04 and 474,823.26

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Solution

The fourth proportional to 862,083.20, 1,189,628.04 and 474,823.26 is: 655,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,083.20 : 1,189,628.04 = 474,823.26 : x
  2. Step 2: Convert to fraction form
    862,083.20/1,189,628.04 = 474,823.26/x
  3. Step 3: Cross multiply
    862,083.20x = 1,189,628.04 × 474,823.26
  4. Step 4: Simplify right side
    862,083.20x = 564,863,064,140.21
  5. Step 5: Solve for x
    x = 564,863,064,140.21/862,083.20
  6. Step 6: Final answer
    x = 655,230.34

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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.