Finding the Fourth Proportional to 856,849.10, 1,277,613.18 and 833,307.92
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Solution
The fourth proportional to 856,849.10, 1,277,613.18 and 833,307.92 is: 1,242,511.87
Step by Step Solution
- Step 1: Write the proportion equation
856,849.10 : 1,277,613.18 = 833,307.92 : x - Step 2: Convert to fraction form
856,849.10/1,277,613.18 = 833,307.92/x - Step 3: Cross multiply
856,849.10x = 1,277,613.18 × 833,307.92 - Step 4: Simplify right side
856,849.10x = 1,064,645,175,202.32 - Step 5: Solve for x
x = 1,064,645,175,202.32/856,849.10 - Step 6: Final answer
x = 1,242,511.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.