Finding the Fourth Proportional to 742,819.40, 1,026,052.35 and 614,277.09
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Solution
The fourth proportional to 742,819.40, 1,026,052.35 and 614,277.09 is: 848,497.57
Step by Step Solution
- Step 1: Write the proportion equation
742,819.40 : 1,026,052.35 = 614,277.09 : x - Step 2: Convert to fraction form
742,819.40/1,026,052.35 = 614,277.09/x - Step 3: Cross multiply
742,819.40x = 1,026,052.35 × 614,277.09 - Step 4: Simplify right side
742,819.40x = 630,280,451,745.66 - Step 5: Solve for x
x = 630,280,451,745.66/742,819.40 - Step 6: Final answer
x = 848,497.57
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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.