Home / 742,536.40-1,024,694.04-403,004.56

Finding the Fourth Proportional to 742,536.40, 1,024,694.04 and 403,004.56

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Solution

The fourth proportional to 742,536.40, 1,024,694.04 and 403,004.56 is: 556,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,536.40 : 1,024,694.04 = 403,004.56 : x
  2. Step 2: Convert to fraction form
    742,536.40/1,024,694.04 = 403,004.56/x
  3. Step 3: Cross multiply
    742,536.40x = 1,024,694.04 × 403,004.56
  4. Step 4: Simplify right side
    742,536.40x = 412,956,370,724.82
  5. Step 5: Solve for x
    x = 412,956,370,724.82/742,536.40
  6. Step 6: Final answer
    x = 556,142.93

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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.