Home / 862,674.83-1,190,579.85-518,622.14

Finding the Fourth Proportional to 862,674.83, 1,190,579.85 and 518,622.14

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Solution

The fourth proportional to 862,674.83, 1,190,579.85 and 518,622.14 is: 715,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,674.83 : 1,190,579.85 = 518,622.14 : x
  2. Step 2: Convert to fraction form
    862,674.83/1,190,579.85 = 518,622.14/x
  3. Step 3: Cross multiply
    862,674.83x = 1,190,579.85 × 518,622.14
  4. Step 4: Simplify right side
    862,674.83x = 617,461,069,647.88
  5. Step 5: Solve for x
    x = 617,461,069,647.88/862,674.83
  6. Step 6: Final answer
    x = 715,751.81

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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.