Finding the Fourth Proportional to 608,062.80, 910,913.04 and 292,740.96
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Solution
The fourth proportional to 608,062.80, 910,913.04 and 292,740.96 is: 438,542.79
Step by Step Solution
- Step 1: Write the proportion equation
608,062.80 : 910,913.04 = 292,740.96 : x - Step 2: Convert to fraction form
608,062.80/910,913.04 = 292,740.96/x - Step 3: Cross multiply
608,062.80x = 910,913.04 × 292,740.96 - Step 4: Simplify right side
608,062.80x = 266,661,557,806.12 - Step 5: Solve for x
x = 266,661,557,806.12/608,062.80 - Step 6: Final answer
x = 438,542.79
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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.