Finding the Fourth Proportional to 929,711.08, 1,282,937.70 and 521,764.84
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Solution
The fourth proportional to 929,711.08, 1,282,937.70 and 521,764.84 is: 719,999.79
Step by Step Solution
- Step 1: Write the proportion equation
929,711.08 : 1,282,937.70 = 521,764.84 : x - Step 2: Convert to fraction form
929,711.08/1,282,937.70 = 521,764.84/x - Step 3: Cross multiply
929,711.08x = 1,282,937.70 × 521,764.84 - Step 4: Simplify right side
929,711.08x = 669,391,783,770.47 - Step 5: Solve for x
x = 669,391,783,770.47/929,711.08 - Step 6: Final answer
x = 719,999.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.