Finding the Fourth Proportional to 724,176.83, 999,132.84 and 418,212.81
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Solution
The fourth proportional to 724,176.83, 999,132.84 and 418,212.81 is: 577,000.17
Step by Step Solution
- Step 1: Write the proportion equation
724,176.83 : 999,132.84 = 418,212.81 : x - Step 2: Convert to fraction form
724,176.83/999,132.84 = 418,212.81/x - Step 3: Cross multiply
724,176.83x = 999,132.84 × 418,212.81 - Step 4: Simplify right side
724,176.83x = 417,850,152,579.68 - Step 5: Solve for x
x = 417,850,152,579.68/724,176.83 - Step 6: Final answer
x = 577,000.17
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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.