Finding the Fourth Proportional to 916,562.56, 1,373,217.12 and 382,909.12
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Solution
The fourth proportional to 916,562.56, 1,373,217.12 and 382,909.12 is: 573,684.09
Step by Step Solution
- Step 1: Write the proportion equation
916,562.56 : 1,373,217.12 = 382,909.12 : x - Step 2: Convert to fraction form
916,562.56/1,373,217.12 = 382,909.12/x - Step 3: Cross multiply
916,562.56x = 1,373,217.12 × 382,909.12 - Step 4: Simplify right side
916,562.56x = 525,817,358,988.13 - Step 5: Solve for x
x = 525,817,358,988.13/916,562.56 - Step 6: Final answer
x = 573,684.09
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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.