Home / 742,323.44-1,024,138.94-420,030.12

Finding the Fourth Proportional to 742,323.44, 1,024,138.94 and 420,030.12

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Solution

The fourth proportional to 742,323.44, 1,024,138.94 and 420,030.12 is: 579,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,323.44 : 1,024,138.94 = 420,030.12 : x
  2. Step 2: Convert to fraction form
    742,323.44/1,024,138.94 = 420,030.12/x
  3. Step 3: Cross multiply
    742,323.44x = 1,024,138.94 × 420,030.12
  4. Step 4: Simplify right side
    742,323.44x = 430,169,201,864.87
  5. Step 5: Solve for x
    x = 430,169,201,864.87/742,323.44
  6. Step 6: Final answer
    x = 579,490.26

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