Finding the Fourth Proportional to 949,798.84, 1,310,724.56 and 514,220.80
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Solution
The fourth proportional to 949,798.84, 1,310,724.56 and 514,220.80 is: 709,625.87
Step by Step Solution
- Step 1: Write the proportion equation
949,798.84 : 1,310,724.56 = 514,220.80 : x - Step 2: Convert to fraction form
949,798.84/1,310,724.56 = 514,220.80/x - Step 3: Cross multiply
949,798.84x = 1,310,724.56 × 514,220.80 - Step 4: Simplify right side
949,798.84x = 674,001,831,822.85 - Step 5: Solve for x
x = 674,001,831,822.85/949,798.84 - Step 6: Final answer
x = 709,625.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.