Home / 698,842.78-1,048,287.58-193,361.47

Finding the Fourth Proportional to 698,842.78, 1,048,287.58 and 193,361.47

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Solution

The fourth proportional to 698,842.78, 1,048,287.58 and 193,361.47 is: 290,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,842.78 : 1,048,287.58 = 193,361.47 : x
  2. Step 2: Convert to fraction form
    698,842.78/1,048,287.58 = 193,361.47/x
  3. Step 3: Cross multiply
    698,842.78x = 1,048,287.58 × 193,361.47
  4. Step 4: Simplify right side
    698,842.78x = 202,698,424,347.42
  5. Step 5: Solve for x
    x = 202,698,424,347.42/698,842.78
  6. Step 6: Final answer
    x = 290,048.68

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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.