Finding the Fourth Proportional to 539,698.81, 744,795.97 and 297,996.66
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Solution
The fourth proportional to 539,698.81, 744,795.97 and 297,996.66 is: 411,241.81
Step by Step Solution
- Step 1: Write the proportion equation
539,698.81 : 744,795.97 = 297,996.66 : x - Step 2: Convert to fraction form
539,698.81/744,795.97 = 297,996.66/x - Step 3: Cross multiply
539,698.81x = 744,795.97 × 297,996.66 - Step 4: Simplify right side
539,698.81x = 221,946,711,441.46 - Step 5: Solve for x
x = 221,946,711,441.46/539,698.81 - Step 6: Final answer
x = 411,241.81
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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.