Finding the Fourth Proportional to 801,283.49, 1,202,513.29 and 645,394.13
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Solution
The fourth proportional to 801,283.49, 1,202,513.29 and 645,394.13 is: 968,564.84
Step by Step Solution
- Step 1: Write the proportion equation
801,283.49 : 1,202,513.29 = 645,394.13 : x - Step 2: Convert to fraction form
801,283.49/1,202,513.29 = 645,394.13/x - Step 3: Cross multiply
801,283.49x = 1,202,513.29 × 645,394.13 - Step 4: Simplify right side
801,283.49x = 776,095,009,373.45 - Step 5: Solve for x
x = 776,095,009,373.45/801,283.49 - Step 6: Final answer
x = 968,564.84
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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.