Finding the Fourth Proportional to 653,281.78, 980,059.07 and 329,251.99
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Solution
The fourth proportional to 653,281.78, 980,059.07 and 329,251.99 is: 493,946.73
Step by Step Solution
- Step 1: Write the proportion equation
653,281.78 : 980,059.07 = 329,251.99 : x - Step 2: Convert to fraction form
653,281.78/980,059.07 = 329,251.99/x - Step 3: Cross multiply
653,281.78x = 980,059.07 × 329,251.99 - Step 4: Simplify right side
653,281.78x = 322,686,398,399.62 - Step 5: Solve for x
x = 322,686,398,399.62/653,281.78 - Step 6: Final answer
x = 493,946.73
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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.