Home / 862,203.01-1,189,840.48-499,836.93

Finding the Fourth Proportional to 862,203.01, 1,189,840.48 and 499,836.93

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Solution

The fourth proportional to 862,203.01, 1,189,840.48 and 499,836.93 is: 689,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,203.01 : 1,189,840.48 = 499,836.93 : x
  2. Step 2: Convert to fraction form
    862,203.01/1,189,840.48 = 499,836.93/x
  3. Step 3: Cross multiply
    862,203.01x = 1,189,840.48 × 499,836.93
  4. Step 4: Simplify right side
    862,203.01x = 594,726,212,712.93
  5. Step 5: Solve for x
    x = 594,726,212,712.93/862,203.01
  6. Step 6: Final answer
    x = 689,775.15

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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.