Finding the Fourth Proportional to 653,959.52, 979,519.65 and 316,292.09
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Solution
The fourth proportional to 653,959.52, 979,519.65 and 316,292.09 is: 473,751.52
Step by Step Solution
- Step 1: Write the proportion equation
653,959.52 : 979,519.65 = 316,292.09 : x - Step 2: Convert to fraction form
653,959.52/979,519.65 = 316,292.09/x - Step 3: Cross multiply
653,959.52x = 979,519.65 × 316,292.09 - Step 4: Simplify right side
653,959.52x = 309,814,318,499.82 - Step 5: Solve for x
x = 309,814,318,499.82/653,959.52 - Step 6: Final answer
x = 473,751.52
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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.