Finding the Fourth Proportional to 648,848.73, 888,907.93 and 624,590.09
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Solution
The fourth proportional to 648,848.73, 888,907.93 and 624,590.09 is: 855,674.15
Step by Step Solution
- Step 1: Write the proportion equation
648,848.73 : 888,907.93 = 624,590.09 : x - Step 2: Convert to fraction form
648,848.73/888,907.93 = 624,590.09/x - Step 3: Cross multiply
648,848.73x = 888,907.93 × 624,590.09 - Step 4: Simplify right side
648,848.73x = 555,203,085,561.89 - Step 5: Solve for x
x = 555,203,085,561.89/648,848.73 - Step 6: Final answer
x = 855,674.15
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.