Finding the Fourth Proportional to 957,030.19, 1,320,731.57 and 549,206.63
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Solution
The fourth proportional to 957,030.19, 1,320,731.57 and 549,206.63 is: 757,922.31
Step by Step Solution
- Step 1: Write the proportion equation
957,030.19 : 1,320,731.57 = 549,206.63 : x - Step 2: Convert to fraction form
957,030.19/1,320,731.57 = 549,206.63/x - Step 3: Cross multiply
957,030.19x = 1,320,731.57 × 549,206.63 - Step 4: Simplify right side
957,030.19x = 725,354,534,694.31 - Step 5: Solve for x
x = 725,354,534,694.31/957,030.19 - Step 6: Final answer
x = 757,922.31
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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.