Home / 671,967.96-1,007,445.14-405,665.18

Finding the Fourth Proportional to 671,967.96, 1,007,445.14 and 405,665.18

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Solution

The fourth proportional to 671,967.96, 1,007,445.14 and 405,665.18 is: 608,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,967.96 : 1,007,445.14 = 405,665.18 : x
  2. Step 2: Convert to fraction form
    671,967.96/1,007,445.14 = 405,665.18/x
  3. Step 3: Cross multiply
    671,967.96x = 1,007,445.14 × 405,665.18
  4. Step 4: Simplify right side
    671,967.96x = 408,685,406,992.67
  5. Step 5: Solve for x
    x = 408,685,406,992.67/671,967.96
  6. Step 6: Final answer
    x = 608,191.81

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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.