Finding the Fourth Proportional to 878,937.08, 1,212,957.06 and 497,021
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Solution
The fourth proportional to 878,937.08, 1,212,957.06 and 497,021 is: 685,902.49
Step by Step Solution
- Step 1: Write the proportion equation
878,937.08 : 1,212,957.06 = 497,021 : x - Step 2: Convert to fraction form
878,937.08/1,212,957.06 = 497,021/x - Step 3: Cross multiply
878,937.08x = 1,212,957.06 × 497,021 - Step 4: Simplify right side
878,937.08x = 602,865,130,918.26 - Step 5: Solve for x
x = 602,865,130,918.26/878,937.08 - Step 6: Final answer
x = 685,902.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.