Finding the Fourth Proportional to 887,143.18, 1,224,256.36 and 505,169.95
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Solution
The fourth proportional to 887,143.18, 1,224,256.36 and 505,169.95 is: 697,133.83
Step by Step Solution
- Step 1: Write the proportion equation
887,143.18 : 1,224,256.36 = 505,169.95 : x - Step 2: Convert to fraction form
887,143.18/1,224,256.36 = 505,169.95/x - Step 3: Cross multiply
887,143.18x = 1,224,256.36 × 505,169.95 - Step 4: Simplify right side
887,143.18x = 618,457,524,168.38 - Step 5: Solve for x
x = 618,457,524,168.38/887,143.18 - Step 6: Final answer
x = 697,133.83
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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.