Finding the Fourth Proportional to 887,322.99, 1,224,505.76 and 505,385.31
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Solution
The fourth proportional to 887,322.99, 1,224,505.76 and 505,385.31 is: 697,431.75
Step by Step Solution
- Step 1: Write the proportion equation
887,322.99 : 1,224,505.76 = 505,385.31 : x - Step 2: Convert to fraction form
887,322.99/1,224,505.76 = 505,385.31/x - Step 3: Cross multiply
887,322.99x = 1,224,505.76 × 505,385.31 - Step 4: Simplify right side
887,322.99x = 618,847,223,114.39 - Step 5: Solve for x
x = 618,847,223,114.39/887,322.99 - Step 6: Final answer
x = 697,431.75
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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.