Finding the Fourth Proportional to 725,126.68, 1,000,395.66 and 534,593.08
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Solution
The fourth proportional to 725,126.68, 1,000,395.66 and 534,593.08 is: 737,532.64
Step by Step Solution
- Step 1: Write the proportion equation
725,126.68 : 1,000,395.66 = 534,593.08 : x - Step 2: Convert to fraction form
725,126.68/1,000,395.66 = 534,593.08/x - Step 3: Cross multiply
725,126.68x = 1,000,395.66 × 534,593.08 - Step 4: Simplify right side
725,126.68x = 534,804,597,098.03 - Step 5: Solve for x
x = 534,804,597,098.03/725,126.68 - Step 6: Final answer
x = 737,532.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.