Finding the Fourth Proportional to 877,620.84, 1,315,436.04 and 403,326.12
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Solution
The fourth proportional to 877,620.84, 1,315,436.04 and 403,326.12 is: 604,531.81
Step by Step Solution
- Step 1: Write the proportion equation
877,620.84 : 1,315,436.04 = 403,326.12 : x - Step 2: Convert to fraction form
877,620.84/1,315,436.04 = 403,326.12/x - Step 3: Cross multiply
877,620.84x = 1,315,436.04 × 403,326.12 - Step 4: Simplify right side
877,620.84x = 530,549,714,121.37 - Step 5: Solve for x
x = 530,549,714,121.37/877,620.84 - Step 6: Final answer
x = 604,531.81
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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.