Finding the Fourth Proportional to 1,095,430.34, 1,643,232.18 and 385,617.62
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Solution
The fourth proportional to 1,095,430.34, 1,643,232.18 and 385,617.62 is: 578,456.94
Step by Step Solution
- Step 1: Write the proportion equation
1,095,430.34 : 1,643,232.18 = 385,617.62 : x - Step 2: Convert to fraction form
1,095,430.34/1,643,232.18 = 385,617.62/x - Step 3: Cross multiply
1,095,430.34x = 1,643,232.18 × 385,617.62 - Step 4: Simplify right side
1,095,430.34x = 633,659,282,359.01 - Step 5: Solve for x
x = 633,659,282,359.01/1,095,430.34 - Step 6: Final answer
x = 578,456.94
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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.