Finding the Fourth Proportional to 680,614.62, 939,264.58 and 408,693.98
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Solution
The fourth proportional to 680,614.62, 939,264.58 and 408,693.98 is: 564,007.54
Step by Step Solution
- Step 1: Write the proportion equation
680,614.62 : 939,264.58 = 408,693.98 : x - Step 2: Convert to fraction form
680,614.62/939,264.58 = 408,693.98/x - Step 3: Cross multiply
680,614.62x = 939,264.58 × 408,693.98 - Step 4: Simplify right side
680,614.62x = 383,871,779,473.23 - Step 5: Solve for x
x = 383,871,779,473.23/680,614.62 - Step 6: Final answer
x = 564,007.54
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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.