Finding the Fourth Proportional to 668,390.98, 922,379.80 and 362,467.26
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Solution
The fourth proportional to 668,390.98, 922,379.80 and 362,467.26 is: 500,204.95
Step by Step Solution
- Step 1: Write the proportion equation
668,390.98 : 922,379.80 = 362,467.26 : x - Step 2: Convert to fraction form
668,390.98/922,379.80 = 362,467.26/x - Step 3: Cross multiply
668,390.98x = 922,379.80 × 362,467.26 - Step 4: Simplify right side
668,390.98x = 334,332,478,785.35 - Step 5: Solve for x
x = 334,332,478,785.35/668,390.98 - Step 6: Final answer
x = 500,204.95
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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.