Finding the Fourth Proportional to 507,309.98, 699,892.98 and 289,530.75
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Solution
The fourth proportional to 507,309.98, 699,892.98 and 289,530.75 is: 399,441.26
Step by Step Solution
- Step 1: Write the proportion equation
507,309.98 : 699,892.98 = 289,530.75 : x - Step 2: Convert to fraction form
507,309.98/699,892.98 = 289,530.75/x - Step 3: Cross multiply
507,309.98x = 699,892.98 × 289,530.75 - Step 4: Simplify right side
507,309.98x = 202,640,535,919.67 - Step 5: Solve for x
x = 202,640,535,919.67/507,309.98 - Step 6: Final answer
x = 399,441.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.