Finding the Fourth Proportional to 684,355.64, 1,026,516.18 and 185,706.68
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Solution
The fourth proportional to 684,355.64, 1,026,516.18 and 185,706.68 is: 278,555.33
Step by Step Solution
- Step 1: Write the proportion equation
684,355.64 : 1,026,516.18 = 185,706.68 : x - Step 2: Convert to fraction form
684,355.64/1,026,516.18 = 185,706.68/x - Step 3: Cross multiply
684,355.64x = 1,026,516.18 × 185,706.68 - Step 4: Simplify right side
684,355.64x = 190,630,911,754.08 - Step 5: Solve for x
x = 190,630,911,754.08/684,355.64 - Step 6: Final answer
x = 278,555.33
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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.