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Finding the Fourth Proportional to 606,565.10, 910,831.80 and 340,844.60

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Solution

The fourth proportional to 606,565.10, 910,831.80 and 340,844.60 is: 511,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,565.10 : 910,831.80 = 340,844.60 : x
  2. Step 2: Convert to fraction form
    606,565.10/910,831.80 = 340,844.60/x
  3. Step 3: Cross multiply
    606,565.10x = 910,831.80 × 340,844.60
  4. Step 4: Simplify right side
    606,565.10x = 310,452,100,538.28
  5. Step 5: Solve for x
    x = 310,452,100,538.28/606,565.10
  6. Step 6: Final answer
    x = 511,819.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.