Finding the Fourth Proportional to 587,006.10, 810,054.12 and 328,893.84
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Solution
The fourth proportional to 587,006.10, 810,054.12 and 328,893.84 is: 453,865.49
Step by Step Solution
- Step 1: Write the proportion equation
587,006.10 : 810,054.12 = 328,893.84 : x - Step 2: Convert to fraction form
587,006.10/810,054.12 = 328,893.84/x - Step 3: Cross multiply
587,006.10x = 810,054.12 × 328,893.84 - Step 4: Simplify right side
587,006.10x = 266,421,810,134.62 - Step 5: Solve for x
x = 266,421,810,134.62/587,006.10 - Step 6: Final answer
x = 453,865.49
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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.