Finding the Fourth Proportional to 896,543.80, 1,344,815.70 and 327,923.80
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Solution
The fourth proportional to 896,543.80, 1,344,815.70 and 327,923.80 is: 491,885.70
Step by Step Solution
- Step 1: Write the proportion equation
896,543.80 : 1,344,815.70 = 327,923.80 : x - Step 2: Convert to fraction form
896,543.80/1,344,815.70 = 327,923.80/x - Step 3: Cross multiply
896,543.80x = 1,344,815.70 × 327,923.80 - Step 4: Simplify right side
896,543.80x = 440,997,074,643.66 - Step 5: Solve for x
x = 440,997,074,643.66/896,543.80 - Step 6: Final answer
x = 491,885.70
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1.5x scale
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.