Home / 538,361.01-742,971.29-296,643.53

Finding the Fourth Proportional to 538,361.01, 742,971.29 and 296,643.53

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Solution

The fourth proportional to 538,361.01, 742,971.29 and 296,643.53 is: 409,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,361.01 : 742,971.29 = 296,643.53 : x
  2. Step 2: Convert to fraction form
    538,361.01/742,971.29 = 296,643.53/x
  3. Step 3: Cross multiply
    538,361.01x = 742,971.29 × 296,643.53
  4. Step 4: Simplify right side
    538,361.01x = 220,397,620,956.18
  5. Step 5: Solve for x
    x = 220,397,620,956.18/538,361.01
  6. Step 6: Final answer
    x = 409,386.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.