Finding the Fourth Proportional to 877,537.75, 1,315,311.54 and 403,243.06
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Solution
The fourth proportional to 877,537.75, 1,315,311.54 and 403,243.06 is: 604,407.33
Step by Step Solution
- Step 1: Write the proportion equation
877,537.75 : 1,315,311.54 = 403,243.06 : x - Step 2: Convert to fraction form
877,537.75/1,315,311.54 = 403,243.06/x - Step 3: Cross multiply
877,537.75x = 1,315,311.54 × 403,243.06 - Step 4: Simplify right side
877,537.75x = 530,390,250,242.91 - Step 5: Solve for x
x = 530,390,250,242.91/877,537.75 - Step 6: Final answer
x = 604,407.33
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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.