Finding the Fourth Proportional to 712,587.63, 1,068,979.86 and 239,408.31
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Solution
The fourth proportional to 712,587.63, 1,068,979.86 and 239,408.31 is: 359,145.53
Step by Step Solution
- Step 1: Write the proportion equation
712,587.63 : 1,068,979.86 = 239,408.31 : x - Step 2: Convert to fraction form
712,587.63/1,068,979.86 = 239,408.31/x - Step 3: Cross multiply
712,587.63x = 1,068,979.86 × 239,408.31 - Step 4: Simplify right side
712,587.63x = 255,922,661,706.64 - Step 5: Solve for x
x = 255,922,661,706.64/712,587.63 - Step 6: Final answer
x = 359,145.53
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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.