Home / 953,899.69-1,430,720.36-279,855.35

Finding the Fourth Proportional to 953,899.69, 1,430,720.36 and 279,855.35

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Solution

The fourth proportional to 953,899.69, 1,430,720.36 and 279,855.35 is: 419,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,899.69 : 1,430,720.36 = 279,855.35 : x
  2. Step 2: Convert to fraction form
    953,899.69/1,430,720.36 = 279,855.35/x
  3. Step 3: Cross multiply
    953,899.69x = 1,430,720.36 × 279,855.35
  4. Step 4: Simplify right side
    953,899.69x = 400,394,754,583.70
  5. Step 5: Solve for x
    x = 400,394,754,583.70/953,899.69
  6. Step 6: Final answer
    x = 419,745.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.