Finding the Fourth Proportional to 1,149,763.36, 1,724,569.40 and 429,964.96
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Solution
The fourth proportional to 1,149,763.36, 1,724,569.40 and 429,964.96 is: 644,919.15
Step by Step Solution
- Step 1: Write the proportion equation
1,149,763.36 : 1,724,569.40 = 429,964.96 : x - Step 2: Convert to fraction form
1,149,763.36/1,724,569.40 = 429,964.96/x - Step 3: Cross multiply
1,149,763.36x = 1,724,569.40 × 429,964.96 - Step 4: Simplify right side
1,149,763.36x = 741,504,413,088.22 - Step 5: Solve for x
x = 741,504,413,088.22/1,149,763.36 - Step 6: Final answer
x = 644,919.15
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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.