Finding the Fourth Proportional to 957,483.44, 1,321,327.14 and 527,772.79
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Solution
The fourth proportional to 957,483.44, 1,321,327.14 and 527,772.79 is: 728,326.45
Step by Step Solution
- Step 1: Write the proportion equation
957,483.44 : 1,321,327.14 = 527,772.79 : x - Step 2: Convert to fraction form
957,483.44/1,321,327.14 = 527,772.79/x - Step 3: Cross multiply
957,483.44x = 1,321,327.14 × 527,772.79 - Step 4: Simplify right side
957,483.44x = 697,360,513,821.75 - Step 5: Solve for x
x = 697,360,513,821.75/957,483.44 - Step 6: Final answer
x = 728,326.45
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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.