Finding the Fourth Proportional to 624,577.56, 936,726.18 and 287,294.28
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Solution
The fourth proportional to 624,577.56, 936,726.18 and 287,294.28 is: 430,876.95
Step by Step Solution
- Step 1: Write the proportion equation
624,577.56 : 936,726.18 = 287,294.28 : x - Step 2: Convert to fraction form
624,577.56/936,726.18 = 287,294.28/x - Step 3: Cross multiply
624,577.56x = 936,726.18 × 287,294.28 - Step 4: Simplify right side
624,577.56x = 269,116,073,440.25 - Step 5: Solve for x
x = 269,116,073,440.25/624,577.56 - Step 6: Final answer
x = 430,876.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.