Finding the Fourth Proportional to 1,115,240.13, 1,672,857.12 and 316,522.44
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Solution
The fourth proportional to 1,115,240.13, 1,672,857.12 and 316,522.44 is: 474,782.79
Step by Step Solution
- Step 1: Write the proportion equation
1,115,240.13 : 1,672,857.12 = 316,522.44 : x - Step 2: Convert to fraction form
1,115,240.13/1,672,857.12 = 316,522.44/x - Step 3: Cross multiply
1,115,240.13x = 1,672,857.12 × 316,522.44 - Step 4: Simplify right side
1,115,240.13x = 529,496,817,393.77 - Step 5: Solve for x
x = 529,496,817,393.77/1,115,240.13 - Step 6: Final answer
x = 474,782.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.