Finding the Fourth Proportional to 877,676.10, 1,315,455.75 and 403,711.62
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Solution
The fourth proportional to 877,676.10, 1,315,455.75 and 403,711.62 is: 605,080.59
Step by Step Solution
- Step 1: Write the proportion equation
877,676.10 : 1,315,455.75 = 403,711.62 : x - Step 2: Convert to fraction form
877,676.10/1,315,455.75 = 403,711.62/x - Step 3: Cross multiply
877,676.10x = 1,315,455.75 × 403,711.62 - Step 4: Simplify right side
877,676.10x = 531,064,771,870.82 - Step 5: Solve for x
x = 531,064,771,870.82/877,676.10 - Step 6: Final answer
x = 605,080.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.