Finding the Fourth Proportional to 791,848.55, 1,093,174.99 and 619,400.13
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Solution
The fourth proportional to 791,848.55, 1,093,174.99 and 619,400.13 is: 855,103.82
Step by Step Solution
- Step 1: Write the proportion equation
791,848.55 : 1,093,174.99 = 619,400.13 : x - Step 2: Convert to fraction form
791,848.55/1,093,174.99 = 619,400.13/x - Step 3: Cross multiply
791,848.55x = 1,093,174.99 × 619,400.13 - Step 4: Simplify right side
791,848.55x = 677,112,725,270.84 - Step 5: Solve for x
x = 677,112,725,270.84/791,848.55 - Step 6: Final answer
x = 855,103.82
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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.