Finding the Fourth Proportional to 956,980.36, 1,320,662.84 and 549,156.88
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Solution
The fourth proportional to 956,980.36, 1,320,662.84 and 549,156.88 is: 757,853.68
Step by Step Solution
- Step 1: Write the proportion equation
956,980.36 : 1,320,662.84 = 549,156.88 : x - Step 2: Convert to fraction form
956,980.36/1,320,662.84 = 549,156.88/x - Step 3: Cross multiply
956,980.36x = 1,320,662.84 × 549,156.88 - Step 4: Simplify right side
956,980.36x = 725,251,084,746.34 - Step 5: Solve for x
x = 725,251,084,746.34/956,980.36 - Step 6: Final answer
x = 757,853.68
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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.