Home / 773,055.05-1,159,563.56-299,740.55

Finding the Fourth Proportional to 773,055.05, 1,159,563.56 and 299,740.55

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Solution

The fourth proportional to 773,055.05, 1,159,563.56 and 299,740.55 is: 449,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,055.05 : 1,159,563.56 = 299,740.55 : x
  2. Step 2: Convert to fraction form
    773,055.05/1,159,563.56 = 299,740.55/x
  3. Step 3: Cross multiply
    773,055.05x = 1,159,563.56 × 299,740.55
  4. Step 4: Simplify right side
    773,055.05x = 347,568,211,937.84
  5. Step 5: Solve for x
    x = 347,568,211,937.84/773,055.05
  6. Step 6: Final answer
    x = 449,603.45

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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.