Finding the Fourth Proportional to 1,078,544.64, 1,618,053.12 and 330,648.96
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Solution
The fourth proportional to 1,078,544.64, 1,618,053.12 and 330,648.96 is: 496,045.84
Step by Step Solution
- Step 1: Write the proportion equation
1,078,544.64 : 1,618,053.12 = 330,648.96 : x - Step 2: Convert to fraction form
1,078,544.64/1,618,053.12 = 330,648.96/x - Step 3: Cross multiply
1,078,544.64x = 1,618,053.12 × 330,648.96 - Step 4: Simplify right side
1,078,544.64x = 535,007,581,352.76 - Step 5: Solve for x
x = 535,007,581,352.76/1,078,544.64 - Step 6: Final answer
x = 496,045.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.