Finding the Fourth Proportional to 877,925.98, 1,315,872.42 and 403,615.90
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Solution
The fourth proportional to 877,925.98, 1,315,872.42 and 403,615.90 is: 604,956.50
Step by Step Solution
- Step 1: Write the proportion equation
877,925.98 : 1,315,872.42 = 403,615.90 : x - Step 2: Convert to fraction form
877,925.98/1,315,872.42 = 403,615.90/x - Step 3: Cross multiply
877,925.98x = 1,315,872.42 × 403,615.90 - Step 4: Simplify right side
877,925.98x = 531,107,031,083.48 - Step 5: Solve for x
x = 531,107,031,083.48/877,925.98 - Step 6: Final answer
x = 604,956.50
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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.