Finding the Fourth Proportional to 557,135.83, 767,125.93 and 435,121.07
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Solution
The fourth proportional to 557,135.83, 767,125.93 and 435,121.07 is: 599,122.58
Step by Step Solution
- Step 1: Write the proportion equation
557,135.83 : 767,125.93 = 435,121.07 : x - Step 2: Convert to fraction form
557,135.83/767,125.93 = 435,121.07/x - Step 3: Cross multiply
557,135.83x = 767,125.93 × 435,121.07 - Step 4: Simplify right side
557,135.83x = 333,792,655,693.85 - Step 5: Solve for x
x = 333,792,655,693.85/557,135.83 - Step 6: Final answer
x = 599,122.58
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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.