Finding the Fourth Proportional to 622,681.68, 859,321.80 and 368,250.96
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Solution
The fourth proportional to 622,681.68, 859,321.80 and 368,250.96 is: 508,198.79
Step by Step Solution
- Step 1: Write the proportion equation
622,681.68 : 859,321.80 = 368,250.96 : x - Step 2: Convert to fraction form
622,681.68/859,321.80 = 368,250.96/x - Step 3: Cross multiply
622,681.68x = 859,321.80 × 368,250.96 - Step 4: Simplify right side
622,681.68x = 316,446,077,798.93 - Step 5: Solve for x
x = 316,446,077,798.93/622,681.68 - Step 6: Final answer
x = 508,198.79
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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.