Finding the Fourth Proportional to 756,341.40, 1,043,802.76 and 462,117.08
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Solution
The fourth proportional to 756,341.40, 1,043,802.76 and 462,117.08 is: 637,753.11
Step by Step Solution
- Step 1: Write the proportion equation
756,341.40 : 1,043,802.76 = 462,117.08 : x - Step 2: Convert to fraction form
756,341.40/1,043,802.76 = 462,117.08/x - Step 3: Cross multiply
756,341.40x = 1,043,802.76 × 462,117.08 - Step 4: Simplify right side
756,341.40x = 482,359,077,172.83 - Step 5: Solve for x
x = 482,359,077,172.83/756,341.40 - Step 6: Final answer
x = 637,753.11
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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.