Finding the Fourth Proportional to 425,909.76, 637,773.48 and 413,296.08
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Solution
The fourth proportional to 425,909.76, 637,773.48 and 413,296.08 is: 618,885.28
Step by Step Solution
- Step 1: Write the proportion equation
425,909.76 : 637,773.48 = 413,296.08 : x - Step 2: Convert to fraction form
425,909.76/637,773.48 = 413,296.08/x - Step 3: Cross multiply
425,909.76x = 637,773.48 × 413,296.08 - Step 4: Simplify right side
425,909.76x = 263,589,279,211.96 - Step 5: Solve for x
x = 263,589,279,211.96/425,909.76 - Step 6: Final answer
x = 618,885.28
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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.