Finding the Fourth Proportional to 713,691.20, 1,070,536.80 and 292,827.20
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Solution
The fourth proportional to 713,691.20, 1,070,536.80 and 292,827.20 is: 439,240.80
Step by Step Solution
- Step 1: Write the proportion equation
713,691.20 : 1,070,536.80 = 292,827.20 : x - Step 2: Convert to fraction form
713,691.20/1,070,536.80 = 292,827.20/x - Step 3: Cross multiply
713,691.20x = 1,070,536.80 × 292,827.20 - Step 4: Simplify right side
713,691.20x = 313,482,293,640.96 - Step 5: Solve for x
x = 313,482,293,640.96/713,691.20 - Step 6: Final answer
x = 439,240.80
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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.