Home / 990,408.14-1,366,763.22-537,699.14

Finding the Fourth Proportional to 990,408.14, 1,366,763.22 and 537,699.14

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Solution

The fourth proportional to 990,408.14, 1,366,763.22 and 537,699.14 is: 742,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,408.14 : 1,366,763.22 = 537,699.14 : x
  2. Step 2: Convert to fraction form
    990,408.14/1,366,763.22 = 537,699.14/x
  3. Step 3: Cross multiply
    990,408.14x = 1,366,763.22 × 537,699.14
  4. Step 4: Simplify right side
    990,408.14x = 734,907,407,977.63
  5. Step 5: Solve for x
    x = 734,907,407,977.63/990,408.14
  6. Step 6: Final answer
    x = 742,024.81

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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.