Finding the Fourth Proportional to 723,136.68, 1,084,267.49 and 323,703
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Solution
The fourth proportional to 723,136.68, 1,084,267.49 and 323,703 is: 485,358.64
Step by Step Solution
- Step 1: Write the proportion equation
723,136.68 : 1,084,267.49 = 323,703 : x - Step 2: Convert to fraction form
723,136.68/1,084,267.49 = 323,703/x - Step 3: Cross multiply
723,136.68x = 1,084,267.49 × 323,703 - Step 4: Simplify right side
723,136.68x = 350,980,637,696.96 - Step 5: Solve for x
x = 350,980,637,696.96/723,136.68 - Step 6: Final answer
x = 485,358.64
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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.