Finding the Fourth Proportional to 818,981.08, 1,228,646.58 and 286,519.48
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Solution
The fourth proportional to 818,981.08, 1,228,646.58 and 286,519.48 is: 429,840.43
Step by Step Solution
- Step 1: Write the proportion equation
818,981.08 : 1,228,646.58 = 286,519.48 : x - Step 2: Convert to fraction form
818,981.08/1,228,646.58 = 286,519.48/x - Step 3: Cross multiply
818,981.08x = 1,228,646.58 × 286,519.48 - Step 4: Simplify right side
818,981.08x = 352,031,175,059.31 - Step 5: Solve for x
x = 352,031,175,059.31/818,981.08 - Step 6: Final answer
x = 429,840.43
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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.