Finding the Fourth Proportional to 995,363.80, 1,493,045.70 and 330,515.80
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Solution
The fourth proportional to 995,363.80, 1,493,045.70 and 330,515.80 is: 495,773.70
Step by Step Solution
- Step 1: Write the proportion equation
995,363.80 : 1,493,045.70 = 330,515.80 : x - Step 2: Convert to fraction form
995,363.80/1,493,045.70 = 330,515.80/x - Step 3: Cross multiply
995,363.80x = 1,493,045.70 × 330,515.80 - Step 4: Simplify right side
995,363.80x = 493,475,193,972.06 - Step 5: Solve for x
x = 493,475,193,972.06/995,363.80 - Step 6: Final answer
x = 495,773.70
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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.