Finding the Fourth Proportional to 979,052.17, 1,351,115.27 and 549,364.07
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Solution
The fourth proportional to 979,052.17, 1,351,115.27 and 549,364.07 is: 758,135.48
Step by Step Solution
- Step 1: Write the proportion equation
979,052.17 : 1,351,115.27 = 549,364.07 : x - Step 2: Convert to fraction form
979,052.17/1,351,115.27 = 549,364.07/x - Step 3: Cross multiply
979,052.17x = 1,351,115.27 × 549,364.07 - Step 4: Simplify right side
979,052.17x = 742,254,183,766.35 - Step 5: Solve for x
x = 742,254,183,766.35/979,052.17 - Step 6: Final answer
x = 758,135.48
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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.