Home / 671,547.80-1,008,099.30-405,608.60

Finding the Fourth Proportional to 671,547.80, 1,008,099.30 and 405,608.60

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Solution

The fourth proportional to 671,547.80, 1,008,099.30 and 405,608.60 is: 608,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,547.80 : 1,008,099.30 = 405,608.60 : x
  2. Step 2: Convert to fraction form
    671,547.80/1,008,099.30 = 405,608.60/x
  3. Step 3: Cross multiply
    671,547.80x = 1,008,099.30 × 405,608.60
  4. Step 4: Simplify right side
    671,547.80x = 408,893,745,733.98
  5. Step 5: Solve for x
    x = 408,893,745,733.98/671,547.80
  6. Step 6: Final answer
    x = 608,882.56

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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.