Finding the Fourth Proportional to 725,134.68, 1,000,406.70 and 534,601.08
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Solution
The fourth proportional to 725,134.68, 1,000,406.70 and 534,601.08 is: 737,543.68
Step by Step Solution
- Step 1: Write the proportion equation
725,134.68 : 1,000,406.70 = 534,601.08 : x - Step 2: Convert to fraction form
725,134.68/1,000,406.70 = 534,601.08/x - Step 3: Cross multiply
725,134.68x = 1,000,406.70 × 534,601.08 - Step 4: Simplify right side
725,134.68x = 534,818,502,259.24 - Step 5: Solve for x
x = 534,818,502,259.24/725,134.68 - Step 6: Final answer
x = 737,543.68
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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.