Finding the Fourth Proportional to 425,193.06, 637,790.38 and 399,211.50
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Solution
The fourth proportional to 425,193.06, 637,790.38 and 399,211.50 is: 598,817.99
Step by Step Solution
- Step 1: Write the proportion equation
425,193.06 : 637,790.38 = 399,211.50 : x - Step 2: Convert to fraction form
425,193.06/637,790.38 = 399,211.50/x - Step 3: Cross multiply
425,193.06x = 637,790.38 × 399,211.50 - Step 4: Simplify right side
425,193.06x = 254,613,254,285.37 - Step 5: Solve for x
x = 254,613,254,285.37/425,193.06 - Step 6: Final answer
x = 598,817.99
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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.