Finding the Fourth Proportional to 724,170.83, 999,124.57 and 418,206.80
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Solution
The fourth proportional to 724,170.83, 999,124.57 and 418,206.80 is: 576,991.88
Step by Step Solution
- Step 1: Write the proportion equation
724,170.83 : 999,124.57 = 418,206.80 : x - Step 2: Convert to fraction form
724,170.83/999,124.57 = 418,206.80/x - Step 3: Cross multiply
724,170.83x = 999,124.57 × 418,206.80 - Step 4: Simplify right side
724,170.83x = 417,840,686,621.57 - Step 5: Solve for x
x = 417,840,686,621.57/724,170.83 - Step 6: Final answer
x = 576,991.88
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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.