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Finding the Fourth Proportional to 617,191.02, 925,779.84 and 468,345.42

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Solution

The fourth proportional to 617,191.02, 925,779.84 and 468,345.42 is: 702,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,191.02 : 925,779.84 = 468,345.42 : x
  2. Step 2: Convert to fraction form
    617,191.02/925,779.84 = 468,345.42/x
  3. Step 3: Cross multiply
    617,191.02x = 925,779.84 × 468,345.42
  4. Step 4: Simplify right side
    617,191.02x = 433,584,747,992.33
  5. Step 5: Solve for x
    x = 433,584,747,992.33/617,191.02
  6. Step 6: Final answer
    x = 702,513.05

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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.