Finding the Fourth Proportional to 808,302.88, 1,115,484.90 and 440,800.12
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Solution
The fourth proportional to 808,302.88, 1,115,484.90 and 440,800.12 is: 608,318.85
Step by Step Solution
- Step 1: Write the proportion equation
808,302.88 : 1,115,484.90 = 440,800.12 : x - Step 2: Convert to fraction form
808,302.88/1,115,484.90 = 440,800.12/x - Step 3: Cross multiply
808,302.88x = 1,115,484.90 × 440,800.12 - Step 4: Simplify right side
808,302.88x = 491,705,877,519.54 - Step 5: Solve for x
x = 491,705,877,519.54/808,302.88 - Step 6: Final answer
x = 608,318.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.