Finding the Fourth Proportional to 882,041.24, 1,321,392.42 and 521,132.78
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Solution
The fourth proportional to 882,041.24, 1,321,392.42 and 521,132.78 is: 780,712.82
Step by Step Solution
- Step 1: Write the proportion equation
882,041.24 : 1,321,392.42 = 521,132.78 : x - Step 2: Convert to fraction form
882,041.24/1,321,392.42 = 521,132.78/x - Step 3: Cross multiply
882,041.24x = 1,321,392.42 × 521,132.78 - Step 4: Simplify right side
882,041.24x = 688,620,905,305.53 - Step 5: Solve for x
x = 688,620,905,305.53/882,041.24 - Step 6: Final answer
x = 780,712.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.