Home / 875,831.42-1,314,094.62-314,909.66

Finding the Fourth Proportional to 875,831.42, 1,314,094.62 and 314,909.66

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Solution

The fourth proportional to 875,831.42, 1,314,094.62 and 314,909.66 is: 472,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,831.42 : 1,314,094.62 = 314,909.66 : x
  2. Step 2: Convert to fraction form
    875,831.42/1,314,094.62 = 314,909.66/x
  3. Step 3: Cross multiply
    875,831.42x = 1,314,094.62 × 314,909.66
  4. Step 4: Simplify right side
    875,831.42x = 413,821,089,992.03
  5. Step 5: Solve for x
    x = 413,821,089,992.03/875,831.42
  6. Step 6: Final answer
    x = 472,489.43

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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.