Finding the Fourth Proportional to 889,701.36, 1,334,541.69 and 357,213.03
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Solution
The fourth proportional to 889,701.36, 1,334,541.69 and 357,213.03 is: 535,815.39
Step by Step Solution
- Step 1: Write the proportion equation
889,701.36 : 1,334,541.69 = 357,213.03 : x - Step 2: Convert to fraction form
889,701.36/1,334,541.69 = 357,213.03/x - Step 3: Cross multiply
889,701.36x = 1,334,541.69 × 357,213.03 - Step 4: Simplify right side
889,701.36x = 476,715,680,746.22 - Step 5: Solve for x
x = 476,715,680,746.22/889,701.36 - Step 6: Final answer
x = 535,815.39
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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.