Finding the Fourth Proportional to 622,683.18, 859,323.87 and 368,252.46
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Solution
The fourth proportional to 622,683.18, 859,323.87 and 368,252.46 is: 508,200.86
Step by Step Solution
- Step 1: Write the proportion equation
622,683.18 : 859,323.87 = 368,252.46 : x - Step 2: Convert to fraction form
622,683.18/859,323.87 = 368,252.46/x - Step 3: Cross multiply
622,683.18x = 859,323.87 × 368,252.46 - Step 4: Simplify right side
622,683.18x = 316,448,129,064.22 - Step 5: Solve for x
x = 316,448,129,064.22/622,683.18 - Step 6: Final answer
x = 508,200.86
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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.