Finding the Fourth Proportional to 916,827.80, 1,375,241.70 and 523,611.80
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Solution
The fourth proportional to 916,827.80, 1,375,241.70 and 523,611.80 is: 785,417.70
Step by Step Solution
- Step 1: Write the proportion equation
916,827.80 : 1,375,241.70 = 523,611.80 : x - Step 2: Convert to fraction form
916,827.80/1,375,241.70 = 523,611.80/x - Step 3: Cross multiply
916,827.80x = 1,375,241.70 × 523,611.80 - Step 4: Simplify right side
916,827.80x = 720,092,781,972.06 - Step 5: Solve for x
x = 720,092,781,972.06/916,827.80 - Step 6: Final answer
x = 785,417.70
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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.