Finding the Fourth Proportional to 569,913.68, 786,481.44 and 315,282.08
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Solution
The fourth proportional to 569,913.68, 786,481.44 and 315,282.08 is: 435,089.58
Step by Step Solution
- Step 1: Write the proportion equation
569,913.68 : 786,481.44 = 315,282.08 : x - Step 2: Convert to fraction form
569,913.68/786,481.44 = 315,282.08/x - Step 3: Cross multiply
569,913.68x = 786,481.44 × 315,282.08 - Step 4: Simplify right side
569,913.68x = 247,963,504,284.60 - Step 5: Solve for x
x = 247,963,504,284.60/569,913.68 - Step 6: Final answer
x = 435,089.58
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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.