Finding the Fourth Proportional to 756,116.10, 1,043,459.01 and 465,617.70
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Solution
The fourth proportional to 756,116.10, 1,043,459.01 and 465,617.70 is: 642,564.00
Step by Step Solution
- Step 1: Write the proportion equation
756,116.10 : 1,043,459.01 = 465,617.70 : x - Step 2: Convert to fraction form
756,116.10/1,043,459.01 = 465,617.70/x - Step 3: Cross multiply
756,116.10x = 1,043,459.01 × 465,617.70 - Step 4: Simplify right side
756,116.10x = 485,852,984,280.48 - Step 5: Solve for x
x = 485,852,984,280.48/756,116.10 - Step 6: Final answer
x = 642,564.00
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1.5x scale
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.