Finding the Fourth Proportional to 509,327.36, 702,913.60 and 328,415.92
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Solution
The fourth proportional to 509,327.36, 702,913.60 and 328,415.92 is: 453,240.95
Step by Step Solution
- Step 1: Write the proportion equation
509,327.36 : 702,913.60 = 328,415.92 : x - Step 2: Convert to fraction form
509,327.36/702,913.60 = 328,415.92/x - Step 3: Cross multiply
509,327.36x = 702,913.60 × 328,415.92 - Step 4: Simplify right side
509,327.36x = 230,848,016,624.51 - Step 5: Solve for x
x = 230,848,016,624.51/509,327.36 - Step 6: Final answer
x = 453,240.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.