Finding the Fourth Proportional to 755,372.52, 1,133,758.62 and 381,657.96
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Solution
The fourth proportional to 755,372.52, 1,133,758.62 and 381,657.96 is: 572,840.54
Step by Step Solution
- Step 1: Write the proportion equation
755,372.52 : 1,133,758.62 = 381,657.96 : x - Step 2: Convert to fraction form
755,372.52/1,133,758.62 = 381,657.96/x - Step 3: Cross multiply
755,372.52x = 1,133,758.62 × 381,657.96 - Step 4: Simplify right side
755,372.52x = 432,708,002,041.62 - Step 5: Solve for x
x = 432,708,002,041.62/755,372.52 - Step 6: Final answer
x = 572,840.54
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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.