Finding the Fourth Proportional to 928,212.68, 1,281,064.33 and 514,841.40
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Solution
The fourth proportional to 928,212.68, 1,281,064.33 and 514,841.40 is: 710,553.70
Step by Step Solution
- Step 1: Write the proportion equation
928,212.68 : 1,281,064.33 = 514,841.40 : x - Step 2: Convert to fraction form
928,212.68/1,281,064.33 = 514,841.40/x - Step 3: Cross multiply
928,212.68x = 1,281,064.33 × 514,841.40 - Step 4: Simplify right side
928,212.68x = 659,544,946,741.94 - Step 5: Solve for x
x = 659,544,946,741.94/928,212.68 - Step 6: Final answer
x = 710,553.70
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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.