Finding the Fourth Proportional to 692,634.33, 1,039,055.40 and 243,276
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Solution
The fourth proportional to 692,634.33, 1,039,055.40 and 243,276 is: 364,950.49
Step by Step Solution
- Step 1: Write the proportion equation
692,634.33 : 1,039,055.40 = 243,276 : x - Step 2: Convert to fraction form
692,634.33/1,039,055.40 = 243,276/x - Step 3: Cross multiply
692,634.33x = 1,039,055.40 × 243,276 - Step 4: Simplify right side
692,634.33x = 252,777,241,490.40 - Step 5: Solve for x
x = 252,777,241,490.40/692,634.33 - Step 6: Final answer
x = 364,950.49
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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.