Finding the Fourth Proportional to 402,302.40, 564,798 and 402,302.40
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Solution
The fourth proportional to 402,302.40, 564,798 and 402,302.40 is: 564,798
Step by Step Solution
- Step 1: Write the proportion equation
402,302.40 : 564,798 = 402,302.40 : x - Step 2: Convert to fraction form
402,302.40/564,798 = 402,302.40/x - Step 3: Cross multiply
402,302.40x = 564,798 × 402,302.40 - Step 4: Simplify right side
402,302.40x = 227,219,590,915.20 - Step 5: Solve for x
x = 227,219,590,915.20/402,302.40 - Step 6: Final answer
x = 564,798
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.