Finding the Fourth Proportional to 1,129,328.48, 1,693,992.67 and 330,610.02
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Solution
The fourth proportional to 1,129,328.48, 1,693,992.67 and 330,610.02 is: 495,915.02
Step by Step Solution
- Step 1: Write the proportion equation
1,129,328.48 : 1,693,992.67 = 330,610.02 : x - Step 2: Convert to fraction form
1,129,328.48/1,693,992.67 = 330,610.02/x - Step 3: Cross multiply
1,129,328.48x = 1,693,992.67 × 330,610.02 - Step 4: Simplify right side
1,129,328.48x = 560,050,951,335.08 - Step 5: Solve for x
x = 560,050,951,335.08/1,129,328.48 - Step 6: Final answer
x = 495,915.02
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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.