Finding the Fourth Proportional to 887,585.76, 1,224,868.50 and 479,686.26
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Solution
The fourth proportional to 887,585.76, 1,224,868.50 and 479,686.26 is: 661,967.12
Step by Step Solution
- Step 1: Write the proportion equation
887,585.76 : 1,224,868.50 = 479,686.26 : x - Step 2: Convert to fraction form
887,585.76/1,224,868.50 = 479,686.26/x - Step 3: Cross multiply
887,585.76x = 1,224,868.50 × 479,686.26 - Step 4: Simplify right side
887,585.76x = 587,552,589,756.81 - Step 5: Solve for x
x = 587,552,589,756.81/887,585.76 - Step 6: Final answer
x = 661,967.12
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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.