Finding the Fourth Proportional to 503,985.12, 695,466.45 and 277,630.62
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Solution
The fourth proportional to 503,985.12, 695,466.45 and 277,630.62 is: 383,112.07
Step by Step Solution
- Step 1: Write the proportion equation
503,985.12 : 695,466.45 = 277,630.62 : x - Step 2: Convert to fraction form
503,985.12/695,466.45 = 277,630.62/x - Step 3: Cross multiply
503,985.12x = 695,466.45 × 277,630.62 - Step 4: Simplify right side
503,985.12x = 193,082,781,702.70 - Step 5: Solve for x
x = 193,082,781,702.70/503,985.12 - Step 6: Final answer
x = 383,112.07
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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.