Finding the Fourth Proportional to 503,985.62, 695,467.14 and 277,631.12
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Solution
The fourth proportional to 503,985.62, 695,467.14 and 277,631.12 is: 383,112.76
Step by Step Solution
- Step 1: Write the proportion equation
503,985.62 : 695,467.14 = 277,631.12 : x - Step 2: Convert to fraction form
503,985.62/695,467.14 = 277,631.12/x - Step 3: Cross multiply
503,985.62x = 695,467.14 × 277,631.12 - Step 4: Simplify right side
503,985.62x = 193,083,321,001.40 - Step 5: Solve for x
x = 193,083,321,001.40/503,985.62 - Step 6: Final answer
x = 383,112.76
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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.