Finding the Fourth Proportional to 1,127,093.28, 1,690,658.39 and 328,418.70
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Solution
The fourth proportional to 1,127,093.28, 1,690,658.39 and 328,418.70 is: 492,633.43
Step by Step Solution
- Step 1: Write the proportion equation
1,127,093.28 : 1,690,658.39 = 328,418.70 : x - Step 2: Convert to fraction form
1,127,093.28/1,690,658.39 = 328,418.70/x - Step 3: Cross multiply
1,127,093.28x = 1,690,658.39 × 328,418.70 - Step 4: Simplify right side
1,127,093.28x = 555,243,830,587.89 - Step 5: Solve for x
x = 555,243,830,587.89/1,127,093.28 - Step 6: Final answer
x = 492,633.43
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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.