Finding the Fourth Proportional to 748,365.64, 1,122,558.06 and 249,729.64
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Solution
The fourth proportional to 748,365.64, 1,122,558.06 and 249,729.64 is: 374,597.66
Step by Step Solution
- Step 1: Write the proportion equation
748,365.64 : 1,122,558.06 = 249,729.64 : x - Step 2: Convert to fraction form
748,365.64/1,122,558.06 = 249,729.64/x - Step 3: Cross multiply
748,365.64x = 1,122,558.06 × 249,729.64 - Step 4: Simplify right side
748,365.64x = 280,336,020,202.90 - Step 5: Solve for x
x = 280,336,020,202.90/748,365.64 - Step 6: Final answer
x = 374,597.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.