Finding the Fourth Proportional to 544,526.68, 751,336.69 and 318,128.44
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Solution
The fourth proportional to 544,526.68, 751,336.69 and 318,128.44 is: 438,952.90
Step by Step Solution
- Step 1: Write the proportion equation
544,526.68 : 751,336.69 = 318,128.44 : x - Step 2: Convert to fraction form
544,526.68/751,336.69 = 318,128.44/x - Step 3: Cross multiply
544,526.68x = 751,336.69 × 318,128.44 - Step 4: Simplify right side
544,526.68x = 239,021,563,757.14 - Step 5: Solve for x
x = 239,021,563,757.14/544,526.68 - Step 6: Final answer
x = 438,952.90
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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.