Home / 744,998.50-1,028,097.93-405,469.18

Finding the Fourth Proportional to 744,998.50, 1,028,097.93 and 405,469.18

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Solution

The fourth proportional to 744,998.50, 1,028,097.93 and 405,469.18 is: 559,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,998.50 : 1,028,097.93 = 405,469.18 : x
  2. Step 2: Convert to fraction form
    744,998.50/1,028,097.93 = 405,469.18/x
  3. Step 3: Cross multiply
    744,998.50x = 1,028,097.93 × 405,469.18
  4. Step 4: Simplify right side
    744,998.50x = 416,862,024,636.80
  5. Step 5: Solve for x
    x = 416,862,024,636.80/744,998.50
  6. Step 6: Final answer
    x = 559,547.47

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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.