Finding the Fourth Proportional to 1,039,304.52, 1,559,088 and 329,078.70
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Solution
The fourth proportional to 1,039,304.52, 1,559,088 and 329,078.70 is: 493,659.60
Step by Step Solution
- Step 1: Write the proportion equation
1,039,304.52 : 1,559,088 = 329,078.70 : x - Step 2: Convert to fraction form
1,039,304.52/1,559,088 = 329,078.70/x - Step 3: Cross multiply
1,039,304.52x = 1,559,088 × 329,078.70 - Step 4: Simplify right side
1,039,304.52x = 513,062,652,225.60 - Step 5: Solve for x
x = 513,062,652,225.60/1,039,304.52 - Step 6: Final answer
x = 493,659.60
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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.