Home / 481,973.40-722,268.90-354,619.80

Finding the Fourth Proportional to 481,973.40, 722,268.90 and 354,619.80

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Solution

The fourth proportional to 481,973.40, 722,268.90 and 354,619.80 is: 531,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,973.40 : 722,268.90 = 354,619.80 : x
  2. Step 2: Convert to fraction form
    481,973.40/722,268.90 = 354,619.80/x
  3. Step 3: Cross multiply
    481,973.40x = 722,268.90 × 354,619.80
  4. Step 4: Simplify right side
    481,973.40x = 256,130,852,864.22
  5. Step 5: Solve for x
    x = 256,130,852,864.22/481,973.40
  6. Step 6: Final answer
    x = 531,421.14

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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.