Home / 708,368.33-1,062,270.61-258,986.81

Finding the Fourth Proportional to 708,368.33, 1,062,270.61 and 258,986.81

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Solution

The fourth proportional to 708,368.33, 1,062,270.61 and 258,986.81 is: 388,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,368.33 : 1,062,270.61 = 258,986.81 : x
  2. Step 2: Convert to fraction form
    708,368.33/1,062,270.61 = 258,986.81/x
  3. Step 3: Cross multiply
    708,368.33x = 1,062,270.61 × 258,986.81
  4. Step 4: Simplify right side
    708,368.33x = 275,114,076,640.65
  5. Step 5: Solve for x
    x = 275,114,076,640.65/708,368.33
  6. Step 6: Final answer
    x = 388,377.15

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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.