Finding the Fourth Proportional to 731,451.52, 1,009,605.99 and 425,586.98
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Solution
The fourth proportional to 731,451.52, 1,009,605.99 and 425,586.98 is: 587,428.08
Step by Step Solution
- Step 1: Write the proportion equation
731,451.52 : 1,009,605.99 = 425,586.98 : x - Step 2: Convert to fraction form
731,451.52/1,009,605.99 = 425,586.98/x - Step 3: Cross multiply
731,451.52x = 1,009,605.99 × 425,586.98 - Step 4: Simplify right side
731,451.52x = 429,675,157,098.05 - Step 5: Solve for x
x = 429,675,157,098.05/731,451.52 - Step 6: Final answer
x = 587,428.08
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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.