Finding the Fourth Proportional to 890,482.08, 1,228,479.12 and 589,095.84
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Solution
The fourth proportional to 890,482.08, 1,228,479.12 and 589,095.84 is: 812,696.80
Step by Step Solution
- Step 1: Write the proportion equation
890,482.08 : 1,228,479.12 = 589,095.84 : x - Step 2: Convert to fraction form
890,482.08/1,228,479.12 = 589,095.84/x - Step 3: Cross multiply
890,482.08x = 1,228,479.12 × 589,095.84 - Step 4: Simplify right side
890,482.08x = 723,691,939,118.86 - Step 5: Solve for x
x = 723,691,939,118.86/890,482.08 - Step 6: Final answer
x = 812,696.80
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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.