Finding the Fourth Proportional to 517,317.20, 775,749.60 and 260,992.08
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Solution
The fourth proportional to 517,317.20, 775,749.60 and 260,992.08 is: 391,374.00
Step by Step Solution
- Step 1: Write the proportion equation
517,317.20 : 775,749.60 = 260,992.08 : x - Step 2: Convert to fraction form
517,317.20/775,749.60 = 260,992.08/x - Step 3: Cross multiply
517,317.20x = 775,749.60 × 260,992.08 - Step 4: Simplify right side
517,317.20x = 202,464,501,663.17 - Step 5: Solve for x
x = 202,464,501,663.17/517,317.20 - Step 6: Final answer
x = 391,374.00
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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.