Finding the Fourth Proportional to 498,435.84, 687,828.24 and 458,311.68
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Solution
The fourth proportional to 498,435.84, 687,828.24 and 458,311.68 is: 632,457.96
Step by Step Solution
- Step 1: Write the proportion equation
498,435.84 : 687,828.24 = 458,311.68 : x - Step 2: Convert to fraction form
498,435.84/687,828.24 = 458,311.68/x - Step 3: Cross multiply
498,435.84x = 687,828.24 × 458,311.68 - Step 4: Simplify right side
498,435.84x = 315,239,716,225.84 - Step 5: Solve for x
x = 315,239,716,225.84/498,435.84 - Step 6: Final answer
x = 632,457.96
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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.