Finding the Fourth Proportional to 526,927.36, 788,991.36 and 411,928.96
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Solution
The fourth proportional to 526,927.36, 788,991.36 and 411,928.96 is: 616,799.23
Step by Step Solution
- Step 1: Write the proportion equation
526,927.36 : 788,991.36 = 411,928.96 : x - Step 2: Convert to fraction form
526,927.36/788,991.36 = 411,928.96/x - Step 3: Cross multiply
526,927.36x = 788,991.36 × 411,928.96 - Step 4: Simplify right side
526,927.36x = 325,008,390,373.79 - Step 5: Solve for x
x = 325,008,390,373.79/526,927.36 - Step 6: Final answer
x = 616,799.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.