Finding the Fourth Proportional to 507,045.84, 699,762.09 and 289,259.31
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Solution
The fourth proportional to 507,045.84, 699,762.09 and 289,259.31 is: 399,200.00
Step by Step Solution
- Step 1: Write the proportion equation
507,045.84 : 699,762.09 = 289,259.31 : x - Step 2: Convert to fraction form
507,045.84/699,762.09 = 289,259.31/x - Step 3: Cross multiply
507,045.84x = 699,762.09 × 289,259.31 - Step 4: Simplify right side
507,045.84x = 202,412,699,317.56 - Step 5: Solve for x
x = 202,412,699,317.56/507,045.84 - Step 6: Final answer
x = 399,200.00
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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.