Finding the Fourth Proportional to 946,372.82, 1,305,840.35 and 559,134.70
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Solution
The fourth proportional to 946,372.82, 1,305,840.35 and 559,134.70 is: 771,514.82
Step by Step Solution
- Step 1: Write the proportion equation
946,372.82 : 1,305,840.35 = 559,134.70 : x - Step 2: Convert to fraction form
946,372.82/1,305,840.35 = 559,134.70/x - Step 3: Cross multiply
946,372.82x = 1,305,840.35 × 559,134.70 - Step 4: Simplify right side
946,372.82x = 730,140,650,478.38 - Step 5: Solve for x
x = 730,140,650,478.38/946,372.82 - Step 6: Final answer
x = 771,514.82
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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.