Home / 566,281.08-781,468.00-311,632.27

Finding the Fourth Proportional to 566,281.08, 781,468.00 and 311,632.27

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Solution

The fourth proportional to 566,281.08, 781,468.00 and 311,632.27 is: 430,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.08 : 781,468.00 = 311,632.27 : x
  2. Step 2: Convert to fraction form
    566,281.08/781,468.00 = 311,632.27/x
  3. Step 3: Cross multiply
    566,281.08x = 781,468.00 × 311,632.27
  4. Step 4: Simplify right side
    566,281.08x = 243,530,644,039.61
  5. Step 5: Solve for x
    x = 243,530,644,039.61/566,281.08
  6. Step 6: Final answer
    x = 430,052.59

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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.