Finding the Fourth Proportional to 547,876.84, 817,803.14 and 483,163.35
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Solution
The fourth proportional to 547,876.84, 817,803.14 and 483,163.35 is: 721,206.80
Step by Step Solution
- Step 1: Write the proportion equation
547,876.84 : 817,803.14 = 483,163.35 : x - Step 2: Convert to fraction form
547,876.84/817,803.14 = 483,163.35/x - Step 3: Cross multiply
547,876.84x = 817,803.14 × 483,163.35 - Step 4: Simplify right side
547,876.84x = 395,132,500,673.90 - Step 5: Solve for x
x = 395,132,500,673.90/547,876.84 - Step 6: Final answer
x = 721,206.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.