Finding the Fourth Proportional to 624,439.19, 861,728.63 and 337,959.20
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Solution
The fourth proportional to 624,439.19, 861,728.63 and 337,959.20 is: 466,385.07
Step by Step Solution
- Step 1: Write the proportion equation
624,439.19 : 861,728.63 = 337,959.20 : x - Step 2: Convert to fraction form
624,439.19/861,728.63 = 337,959.20/x - Step 3: Cross multiply
624,439.19x = 861,728.63 × 337,959.20 - Step 4: Simplify right side
624,439.19x = 291,229,112,413.46 - Step 5: Solve for x
x = 291,229,112,413.46/624,439.19 - Step 6: Final answer
x = 466,385.07
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1.5x scale
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.