Finding the Fourth Proportional to 877,306.32, 1,315,762.68 and 403,536.72
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Solution
The fourth proportional to 877,306.32, 1,315,762.68 and 403,536.72 is: 605,214.56
Step by Step Solution
- Step 1: Write the proportion equation
877,306.32 : 1,315,762.68 = 403,536.72 : x - Step 2: Convert to fraction form
877,306.32/1,315,762.68 = 403,536.72/x - Step 3: Cross multiply
877,306.32x = 1,315,762.68 × 403,536.72 - Step 4: Simplify right side
877,306.32x = 530,958,556,185.61 - Step 5: Solve for x
x = 530,958,556,185.61/877,306.32 - Step 6: Final answer
x = 605,214.56
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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.