Home / 908,121.60-1,361,210.40-308,527.20

Finding the Fourth Proportional to 908,121.60, 1,361,210.40 and 308,527.20

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Solution

The fourth proportional to 908,121.60, 1,361,210.40 and 308,527.20 is: 462,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,121.60 : 1,361,210.40 = 308,527.20 : x
  2. Step 2: Convert to fraction form
    908,121.60/1,361,210.40 = 308,527.20/x
  3. Step 3: Cross multiply
    908,121.60x = 1,361,210.40 × 308,527.20
  4. Step 4: Simplify right side
    908,121.60x = 419,970,433,322.88
  5. Step 5: Solve for x
    x = 419,970,433,322.88/908,121.60
  6. Step 6: Final answer
    x = 462,460.57

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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.