Finding the Fourth Proportional to 877,319.06, 1,316,465.19 and 428,043.62
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Solution
The fourth proportional to 877,319.06, 1,316,465.19 and 428,043.62 is: 642,302.84
Step by Step Solution
- Step 1: Write the proportion equation
877,319.06 : 1,316,465.19 = 428,043.62 : x - Step 2: Convert to fraction form
877,319.06/1,316,465.19 = 428,043.62/x - Step 3: Cross multiply
877,319.06x = 1,316,465.19 × 428,043.62 - Step 4: Simplify right side
877,319.06x = 563,504,525,531.59 - Step 5: Solve for x
x = 563,504,525,531.59/877,319.06 - Step 6: Final answer
x = 642,302.84
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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.