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Finding the Fourth Proportional to 576,090.18, 794,782.72 and 360,855.54

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Solution

The fourth proportional to 576,090.18, 794,782.72 and 360,855.54 is: 497,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,090.18 : 794,782.72 = 360,855.54 : x
  2. Step 2: Convert to fraction form
    576,090.18/794,782.72 = 360,855.54/x
  3. Step 3: Cross multiply
    576,090.18x = 794,782.72 × 360,855.54
  4. Step 4: Simplify right side
    576,090.18x = 286,801,745,803.99
  5. Step 5: Solve for x
    x = 286,801,745,803.99/576,090.18
  6. Step 6: Final answer
    x = 497,841.75

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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.