Finding the Fourth Proportional to 778,552.94, 1,166,812.04 and 399,152.18
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Solution
The fourth proportional to 778,552.94, 1,166,812.04 and 399,152.18 is: 598,206.68
Step by Step Solution
- Step 1: Write the proportion equation
778,552.94 : 1,166,812.04 = 399,152.18 : x - Step 2: Convert to fraction form
778,552.94/1,166,812.04 = 399,152.18/x - Step 3: Cross multiply
778,552.94x = 1,166,812.04 × 399,152.18 - Step 4: Simplify right side
778,552.94x = 465,735,569,416.25 - Step 5: Solve for x
x = 465,735,569,416.25/778,552.94 - Step 6: Final answer
x = 598,206.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.