Finding the Fourth Proportional to 911,518.21, 1,257,887.73 and 503,618.74
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Solution
The fourth proportional to 911,518.21, 1,257,887.73 and 503,618.74 is: 694,989.77
Step by Step Solution
- Step 1: Write the proportion equation
911,518.21 : 1,257,887.73 = 503,618.74 : x - Step 2: Convert to fraction form
911,518.21/1,257,887.73 = 503,618.74/x - Step 3: Cross multiply
911,518.21x = 1,257,887.73 × 503,618.74 - Step 4: Simplify right side
911,518.21x = 633,495,833,644.06 - Step 5: Solve for x
x = 633,495,833,644.06/911,518.21 - Step 6: Final answer
x = 694,989.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.