Finding the Fourth Proportional to 1,084,778.64, 1,627,258.68 and 374,518.80
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Solution
The fourth proportional to 1,084,778.64, 1,627,258.68 and 374,518.80 is: 561,809.52
Step by Step Solution
- Step 1: Write the proportion equation
1,084,778.64 : 1,627,258.68 = 374,518.80 : x - Step 2: Convert to fraction form
1,084,778.64/1,627,258.68 = 374,518.80/x - Step 3: Cross multiply
1,084,778.64x = 1,627,258.68 × 374,518.80 - Step 4: Simplify right side
1,084,778.64x = 609,438,968,123.18 - Step 5: Solve for x
x = 609,438,968,123.18/1,084,778.64 - Step 6: Final answer
x = 561,809.52
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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.