Finding the Fourth Proportional to 1,480,808.70, 2,221,213.04 and 358,877.70
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Solution
The fourth proportional to 1,480,808.70, 2,221,213.04 and 358,877.70 is: 538,316.55
Step by Step Solution
- Step 1: Write the proportion equation
1,480,808.70 : 2,221,213.04 = 358,877.70 : x - Step 2: Convert to fraction form
1,480,808.70/2,221,213.04 = 358,877.70/x - Step 3: Cross multiply
1,480,808.70x = 2,221,213.04 × 358,877.70 - Step 4: Simplify right side
1,480,808.70x = 797,143,825,210.82 - Step 5: Solve for x
x = 797,143,825,210.82/1,480,808.70 - Step 6: Final answer
x = 538,316.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.