Home / 496,429.04-685,075.05-270,076.16

Finding the Fourth Proportional to 496,429.04, 685,075.05 and 270,076.16

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Solution

The fourth proportional to 496,429.04, 685,075.05 and 270,076.16 is: 372,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,429.04 : 685,075.05 = 270,076.16 : x
  2. Step 2: Convert to fraction form
    496,429.04/685,075.05 = 270,076.16/x
  3. Step 3: Cross multiply
    496,429.04x = 685,075.05 × 270,076.16
  4. Step 4: Simplify right side
    496,429.04x = 185,022,435,390.43
  5. Step 5: Solve for x
    x = 185,022,435,390.43/496,429.04
  6. Step 6: Final answer
    x = 372,706.72

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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.