Finding the Fourth Proportional to 911,317.60, 1,257,628.85 and 503,410.99
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Solution
The fourth proportional to 911,317.60, 1,257,628.85 and 503,410.99 is: 694,713.00
Step by Step Solution
- Step 1: Write the proportion equation
911,317.60 : 1,257,628.85 = 503,410.99 : x - Step 2: Convert to fraction form
911,317.60/1,257,628.85 = 503,410.99/x - Step 3: Cross multiply
911,317.60x = 1,257,628.85 × 503,410.99 - Step 4: Simplify right side
911,317.60x = 633,104,184,431.06 - Step 5: Solve for x
x = 633,104,184,431.06/911,317.60 - Step 6: Final answer
x = 694,713.00
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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.