Home / 948,579.27-1,309,023.99-518,855.64

Finding the Fourth Proportional to 948,579.27, 1,309,023.99 and 518,855.64

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Solution

The fourth proportional to 948,579.27, 1,309,023.99 and 518,855.64 is: 716,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,579.27 : 1,309,023.99 = 518,855.64 : x
  2. Step 2: Convert to fraction form
    948,579.27/1,309,023.99 = 518,855.64/x
  3. Step 3: Cross multiply
    948,579.27x = 1,309,023.99 × 518,855.64
  4. Step 4: Simplify right side
    948,579.27x = 679,194,480,106.80
  5. Step 5: Solve for x
    x = 679,194,480,106.80/948,579.27
  6. Step 6: Final answer
    x = 716,012.36

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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.