Home / 649,324.35-895,487.40-407,629.40

Finding the Fourth Proportional to 649,324.35, 895,487.40 and 407,629.40

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Solution

The fourth proportional to 649,324.35, 895,487.40 and 407,629.40 is: 562,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,324.35 : 895,487.40 = 407,629.40 : x
  2. Step 2: Convert to fraction form
    649,324.35/895,487.40 = 407,629.40/x
  3. Step 3: Cross multiply
    649,324.35x = 895,487.40 × 407,629.40
  4. Step 4: Simplify right side
    649,324.35x = 365,026,987,092.12
  5. Step 5: Solve for x
    x = 365,026,987,092.12/649,324.35
  6. Step 6: Final answer
    x = 562,164.33

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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.