Home / 566,281.14-781,468.09-311,632.33

Finding the Fourth Proportional to 566,281.14, 781,468.09 and 311,632.33

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Solution

The fourth proportional to 566,281.14, 781,468.09 and 311,632.33 is: 430,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.14 : 781,468.09 = 311,632.33 : x
  2. Step 2: Convert to fraction form
    566,281.14/781,468.09 = 311,632.33/x
  3. Step 3: Cross multiply
    566,281.14x = 781,468.09 × 311,632.33
  4. Step 4: Simplify right side
    566,281.14x = 243,530,721,707.35
  5. Step 5: Solve for x
    x = 243,530,721,707.35/566,281.14
  6. Step 6: Final answer
    x = 430,052.68

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1.5x scale

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.