Finding the Fourth Proportional to 957,356.08, 1,321,203.36 and 549,454.66
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Solution
The fourth proportional to 957,356.08, 1,321,203.36 and 549,454.66 is: 758,277.26
Step by Step Solution
- Step 1: Write the proportion equation
957,356.08 : 1,321,203.36 = 549,454.66 : x - Step 2: Convert to fraction form
957,356.08/1,321,203.36 = 549,454.66/x - Step 3: Cross multiply
957,356.08x = 1,321,203.36 × 549,454.66 - Step 4: Simplify right side
957,356.08x = 725,941,342,959.66 - Step 5: Solve for x
x = 725,941,342,959.66/957,356.08 - Step 6: Final answer
x = 758,277.26
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1.5x scale
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.