Finding the Fourth Proportional to 888,706.21, 1,226,423.35 and 480,816.81
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Solution
The fourth proportional to 888,706.21, 1,226,423.35 and 480,816.81 is: 663,531.95
Step by Step Solution
- Step 1: Write the proportion equation
888,706.21 : 1,226,423.35 = 480,816.81 : x - Step 2: Convert to fraction form
888,706.21/1,226,423.35 = 480,816.81/x - Step 3: Cross multiply
888,706.21x = 1,226,423.35 × 480,816.81 - Step 4: Simplify right side
888,706.21x = 589,684,964,809.83 - Step 5: Solve for x
x = 589,684,964,809.83/888,706.21 - Step 6: Final answer
x = 663,531.95
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1.5x scale
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.