Home / 566,281.33-781,468.38-311,632.51

Finding the Fourth Proportional to 566,281.33, 781,468.38 and 311,632.51

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Solution

The fourth proportional to 566,281.33, 781,468.38 and 311,632.51 is: 430,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.33 : 781,468.38 = 311,632.51 : x
  2. Step 2: Convert to fraction form
    566,281.33/781,468.38 = 311,632.51/x
  3. Step 3: Cross multiply
    566,281.33x = 781,468.38 × 311,632.51
  4. Step 4: Simplify right side
    566,281.33x = 243,530,952,745.03
  5. Step 5: Solve for x
    x = 243,530,952,745.03/566,281.33
  6. Step 6: Final answer
    x = 430,052.94

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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.