Finding the Fourth Proportional to 696,327.12, 1,044,432.36 and 275,490
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Solution
The fourth proportional to 696,327.12, 1,044,432.36 and 275,490 is: 413,211.93
Step by Step Solution
- Step 1: Write the proportion equation
696,327.12 : 1,044,432.36 = 275,490 : x - Step 2: Convert to fraction form
696,327.12/1,044,432.36 = 275,490/x - Step 3: Cross multiply
696,327.12x = 1,044,432.36 × 275,490 - Step 4: Simplify right side
696,327.12x = 287,730,670,856.40 - Step 5: Solve for x
x = 287,730,670,856.40/696,327.12 - Step 6: Final answer
x = 413,211.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.