Finding the Fourth Proportional to 729,003.99, 1,006,026.13 and 406,714.15
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Solution
The fourth proportional to 729,003.99, 1,006,026.13 and 406,714.15 is: 561,265.88
Step by Step Solution
- Step 1: Write the proportion equation
729,003.99 : 1,006,026.13 = 406,714.15 : x - Step 2: Convert to fraction form
729,003.99/1,006,026.13 = 406,714.15/x - Step 3: Cross multiply
729,003.99x = 1,006,026.13 × 406,714.15 - Step 4: Simplify right side
729,003.99x = 409,165,062,340.74 - Step 5: Solve for x
x = 409,165,062,340.74/729,003.99 - Step 6: Final answer
x = 561,265.88
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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.