Finding the Fourth Proportional to 1,122,369.50, 1,683,803.01 and 323,588.70
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Solution
The fourth proportional to 1,122,369.50, 1,683,803.01 and 323,588.70 is: 485,454.77
Step by Step Solution
- Step 1: Write the proportion equation
1,122,369.50 : 1,683,803.01 = 323,588.70 : x - Step 2: Convert to fraction form
1,122,369.50/1,683,803.01 = 323,588.70/x - Step 3: Cross multiply
1,122,369.50x = 1,683,803.01 × 323,588.70 - Step 4: Simplify right side
1,122,369.50x = 544,859,627,061.99 - Step 5: Solve for x
x = 544,859,627,061.99/1,122,369.50 - Step 6: Final answer
x = 485,454.77
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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.