Home / 291,795.01-399,467.85-289,826.71

Finding the Fourth Proportional to 291,795.01, 399,467.85 and 289,826.71

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Solution

The fourth proportional to 291,795.01, 399,467.85 and 289,826.71 is: 396,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,795.01 : 399,467.85 = 289,826.71 : x
  2. Step 2: Convert to fraction form
    291,795.01/399,467.85 = 289,826.71/x
  3. Step 3: Cross multiply
    291,795.01x = 399,467.85 × 289,826.71
  4. Step 4: Simplify right side
    291,795.01x = 115,776,452,261.03
  5. Step 5: Solve for x
    x = 115,776,452,261.03/291,795.01
  6. Step 6: Final answer
    x = 396,773.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.