Finding the Fourth Proportional to 1,389,323.08, 2,083,945.74 and 442,750.60
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Solution
The fourth proportional to 1,389,323.08, 2,083,945.74 and 442,750.60 is: 664,113.51
Step by Step Solution
- Step 1: Write the proportion equation
1,389,323.08 : 2,083,945.74 = 442,750.60 : x - Step 2: Convert to fraction form
1,389,323.08/2,083,945.74 = 442,750.60/x - Step 3: Cross multiply
1,389,323.08x = 2,083,945.74 × 442,750.60 - Step 4: Simplify right side
1,389,323.08x = 922,668,226,752.44 - Step 5: Solve for x
x = 922,668,226,752.44/1,389,323.08 - Step 6: Final answer
x = 664,113.51
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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.