Finding the Fourth Proportional to 638,370.24, 880,911.36 and 351,875.52
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Solution
The fourth proportional to 638,370.24, 880,911.36 and 351,875.52 is: 485,566.41
Step by Step Solution
- Step 1: Write the proportion equation
638,370.24 : 880,911.36 = 351,875.52 : x - Step 2: Convert to fraction form
638,370.24/880,911.36 = 351,875.52/x - Step 3: Cross multiply
638,370.24x = 880,911.36 × 351,875.52 - Step 4: Simplify right side
638,370.24x = 309,971,142,873.91 - Step 5: Solve for x
x = 309,971,142,873.91/638,370.24 - Step 6: Final answer
x = 485,566.41
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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.