Home / 998,831.35-1,378,387.26-546,122.35

Finding the Fourth Proportional to 998,831.35, 1,378,387.26 and 546,122.35

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Solution

The fourth proportional to 998,831.35, 1,378,387.26 and 546,122.35 is: 753,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,831.35 : 1,378,387.26 = 546,122.35 : x
  2. Step 2: Convert to fraction form
    998,831.35/1,378,387.26 = 546,122.35/x
  3. Step 3: Cross multiply
    998,831.35x = 1,378,387.26 × 546,122.35
  4. Step 4: Simplify right side
    998,831.35x = 752,768,089,641.26
  5. Step 5: Solve for x
    x = 752,768,089,641.26/998,831.35
  6. Step 6: Final answer
    x = 753,648.84

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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.