Home / 879,140.71-1,318,817.85-248,054.59

Finding the Fourth Proportional to 879,140.71, 1,318,817.85 and 248,054.59

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Solution

The fourth proportional to 879,140.71, 1,318,817.85 and 248,054.59 is: 372,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,140.71 : 1,318,817.85 = 248,054.59 : x
  2. Step 2: Convert to fraction form
    879,140.71/1,318,817.85 = 248,054.59/x
  3. Step 3: Cross multiply
    879,140.71x = 1,318,817.85 × 248,054.59
  4. Step 4: Simplify right side
    879,140.71x = 327,138,821,066.43
  5. Step 5: Solve for x
    x = 327,138,821,066.43/879,140.71
  6. Step 6: Final answer
    x = 372,112.01

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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.