Home / 698,147.51-1,047,281.38-192,708.59

Finding the Fourth Proportional to 698,147.51, 1,047,281.38 and 192,708.59

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Solution

The fourth proportional to 698,147.51, 1,047,281.38 and 192,708.59 is: 289,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,147.51 : 1,047,281.38 = 192,708.59 : x
  2. Step 2: Convert to fraction form
    698,147.51/1,047,281.38 = 192,708.59/x
  3. Step 3: Cross multiply
    698,147.51x = 1,047,281.38 × 192,708.59
  4. Step 4: Simplify right side
    698,147.51x = 201,820,112,354.88
  5. Step 5: Solve for x
    x = 201,820,112,354.88/698,147.51
  6. Step 6: Final answer
    x = 289,079.47

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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.