Home / 742,842.02-1,114,241.76-210,361.79

Finding the Fourth Proportional to 742,842.02, 1,114,241.76 and 210,361.79

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Solution

The fourth proportional to 742,842.02, 1,114,241.76 and 210,361.79 is: 315,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,842.02 : 1,114,241.76 = 210,361.79 : x
  2. Step 2: Convert to fraction form
    742,842.02/1,114,241.76 = 210,361.79/x
  3. Step 3: Cross multiply
    742,842.02x = 1,114,241.76 × 210,361.79
  4. Step 4: Simplify right side
    742,842.02x = 234,393,885,555.14
  5. Step 5: Solve for x
    x = 234,393,885,555.14/742,842.02
  6. Step 6: Final answer
    x = 315,536.66

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1.5x scale

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.