Finding the Fourth Proportional to 643,035.18, 964,355.70 and 444,630.54
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Solution
The fourth proportional to 643,035.18, 964,355.70 and 444,630.54 is: 666,809.54
Step by Step Solution
- Step 1: Write the proportion equation
643,035.18 : 964,355.70 = 444,630.54 : x - Step 2: Convert to fraction form
643,035.18/964,355.70 = 444,630.54/x - Step 3: Cross multiply
643,035.18x = 964,355.70 × 444,630.54 - Step 4: Simplify right side
643,035.18x = 428,781,995,643.08 - Step 5: Solve for x
x = 428,781,995,643.08/643,035.18 - Step 6: Final answer
x = 666,809.54
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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.