Finding the Fourth Proportional to 878,936.08, 1,212,955.68 and 497,020
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Solution
The fourth proportional to 878,936.08, 1,212,955.68 and 497,020 is: 685,901.11
Step by Step Solution
- Step 1: Write the proportion equation
878,936.08 : 1,212,955.68 = 497,020 : x - Step 2: Convert to fraction form
878,936.08/1,212,955.68 = 497,020/x - Step 3: Cross multiply
878,936.08x = 1,212,955.68 × 497,020 - Step 4: Simplify right side
878,936.08x = 602,863,232,073.60 - Step 5: Solve for x
x = 602,863,232,073.60/878,936.08 - Step 6: Final answer
x = 685,901.11
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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.