Finding the Fourth Proportional to 566,971.56, 782,391.96 and 312,317.28
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Solution
The fourth proportional to 566,971.56, 782,391.96 and 312,317.28 is: 430,981.99
Step by Step Solution
- Step 1: Write the proportion equation
566,971.56 : 782,391.96 = 312,317.28 : x - Step 2: Convert to fraction form
566,971.56/782,391.96 = 312,317.28/x - Step 3: Cross multiply
566,971.56x = 782,391.96 × 312,317.28 - Step 4: Simplify right side
566,971.56x = 244,354,528,841.07 - Step 5: Solve for x
x = 244,354,528,841.07/566,971.56 - Step 6: Final answer
x = 430,981.99
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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.