Home / 780,218.63-1,170,666.01-275,140.49

Finding the Fourth Proportional to 780,218.63, 1,170,666.01 and 275,140.49

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Solution

The fourth proportional to 780,218.63, 1,170,666.01 and 275,140.49 is: 412,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,218.63 : 1,170,666.01 = 275,140.49 : x
  2. Step 2: Convert to fraction form
    780,218.63/1,170,666.01 = 275,140.49/x
  3. Step 3: Cross multiply
    780,218.63x = 1,170,666.01 × 275,140.49
  4. Step 4: Simplify right side
    780,218.63x = 322,097,619,617.75
  5. Step 5: Solve for x
    x = 322,097,619,617.75/780,218.63
  6. Step 6: Final answer
    x = 412,829.95

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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.