Finding the Fourth Proportional to 881,498.32, 1,321,471.98 and 349,392.84
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Solution
The fourth proportional to 881,498.32, 1,321,471.98 and 349,392.84 is: 523,781.88
Step by Step Solution
- Step 1: Write the proportion equation
881,498.32 : 1,321,471.98 = 349,392.84 : x - Step 2: Convert to fraction form
881,498.32/1,321,471.98 = 349,392.84/x - Step 3: Cross multiply
881,498.32x = 1,321,471.98 × 349,392.84 - Step 4: Simplify right side
881,498.32x = 461,712,848,072.62 - Step 5: Solve for x
x = 461,712,848,072.62/881,498.32 - Step 6: Final answer
x = 523,781.88
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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.