Finding the Fourth Proportional to 1,152,465.47, 1,728,702.30 and 353,747.09
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Solution
The fourth proportional to 1,152,465.47, 1,728,702.30 and 353,747.09 is: 530,621.89
Step by Step Solution
- Step 1: Write the proportion equation
1,152,465.47 : 1,728,702.30 = 353,747.09 : x - Step 2: Convert to fraction form
1,152,465.47/1,728,702.30 = 353,747.09/x - Step 3: Cross multiply
1,152,465.47x = 1,728,702.30 × 353,747.09 - Step 4: Simplify right side
1,152,465.47x = 611,523,408,101.31 - Step 5: Solve for x
x = 611,523,408,101.31/1,152,465.47 - Step 6: Final answer
x = 530,621.89
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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.