Finding the Fourth Proportional to 979,425.96, 1,351,607.80 and 549,706.08
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Solution
The fourth proportional to 979,425.96, 1,351,607.80 and 549,706.08 is: 758,594.38
Step by Step Solution
- Step 1: Write the proportion equation
979,425.96 : 1,351,607.80 = 549,706.08 : x - Step 2: Convert to fraction form
979,425.96/1,351,607.80 = 549,706.08/x - Step 3: Cross multiply
979,425.96x = 1,351,607.80 × 549,706.08 - Step 4: Simplify right side
979,425.96x = 742,987,025,435.42 - Step 5: Solve for x
x = 742,987,025,435.42/979,425.96 - Step 6: Final answer
x = 758,594.38
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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.