Finding the Fourth Proportional to 1,476,135.60, 2,214,203.40 and 478,863.60
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Solution
The fourth proportional to 1,476,135.60, 2,214,203.40 and 478,863.60 is: 718,295.40
Step by Step Solution
- Step 1: Write the proportion equation
1,476,135.60 : 2,214,203.40 = 478,863.60 : x - Step 2: Convert to fraction form
1,476,135.60/2,214,203.40 = 478,863.60/x - Step 3: Cross multiply
1,476,135.60x = 2,214,203.40 × 478,863.60 - Step 4: Simplify right side
1,476,135.60x = 1,060,301,411,256.24 - Step 5: Solve for x
x = 1,060,301,411,256.24/1,476,135.60 - Step 6: Final answer
x = 718,295.40
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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.