Finding the Fourth Proportional to 679,318.92, 937,476.18 and 373,392.99
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Solution
The fourth proportional to 679,318.92, 937,476.18 and 373,392.99 is: 515,291.16
Step by Step Solution
- Step 1: Write the proportion equation
679,318.92 : 937,476.18 = 373,392.99 : x - Step 2: Convert to fraction form
679,318.92/937,476.18 = 373,392.99/x - Step 3: Cross multiply
679,318.92x = 937,476.18 × 373,392.99 - Step 4: Simplify right side
679,318.92x = 350,047,033,903.98 - Step 5: Solve for x
x = 350,047,033,903.98/679,318.92 - Step 6: Final answer
x = 515,291.16
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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.