Home / 939,466.29-1,296,459.13-509,745.36

Finding the Fourth Proportional to 939,466.29, 1,296,459.13 and 509,745.36

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Solution

The fourth proportional to 939,466.29, 1,296,459.13 and 509,745.36 is: 703,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,466.29 : 1,296,459.13 = 509,745.36 : x
  2. Step 2: Convert to fraction form
    939,466.29/1,296,459.13 = 509,745.36/x
  3. Step 3: Cross multiply
    939,466.29x = 1,296,459.13 × 509,745.36
  4. Step 4: Simplify right side
    939,466.29x = 660,864,025,947.14
  5. Step 5: Solve for x
    x = 660,864,025,947.14/939,466.29
  6. Step 6: Final answer
    x = 703,446.24

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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.