Home / 698,145.06-1,047,277.71-192,706.13

Finding the Fourth Proportional to 698,145.06, 1,047,277.71 and 192,706.13

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Solution

The fourth proportional to 698,145.06, 1,047,277.71 and 192,706.13 is: 289,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,145.06 : 1,047,277.71 = 192,706.13 : x
  2. Step 2: Convert to fraction form
    698,145.06/1,047,277.71 = 192,706.13/x
  3. Step 3: Cross multiply
    698,145.06x = 1,047,277.71 × 192,706.13
  4. Step 4: Simplify right side
    698,145.06x = 201,816,829,292.97
  5. Step 5: Solve for x
    x = 201,816,829,292.97/698,145.06
  6. Step 6: Final answer
    x = 289,075.78

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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.