Finding the Fourth Proportional to 648,126.94, 894,281.62 and 372,431.53
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Solution
The fourth proportional to 648,126.94, 894,281.62 and 372,431.53 is: 513,878.76
Step by Step Solution
- Step 1: Write the proportion equation
648,126.94 : 894,281.62 = 372,431.53 : x - Step 2: Convert to fraction form
648,126.94/894,281.62 = 372,431.53/x - Step 3: Cross multiply
648,126.94x = 894,281.62 × 372,431.53 - Step 4: Simplify right side
648,126.94x = 333,058,665,653.91 - Step 5: Solve for x
x = 333,058,665,653.91/648,126.94 - Step 6: Final answer
x = 513,878.76
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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.