Finding the Fourth Proportional to 638,798.48, 958,246.52 and 372,585.68
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Solution
The fourth proportional to 638,798.48, 958,246.52 and 372,585.68 is: 558,906.98
Step by Step Solution
- Step 1: Write the proportion equation
638,798.48 : 958,246.52 = 372,585.68 : x - Step 2: Convert to fraction form
638,798.48/958,246.52 = 372,585.68/x - Step 3: Cross multiply
638,798.48x = 958,246.52 × 372,585.68 - Step 4: Simplify right side
638,798.48x = 357,028,931,261.83 - Step 5: Solve for x
x = 357,028,931,261.83/638,798.48 - Step 6: Final answer
x = 558,906.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.