Finding the Fourth Proportional to 917,114.90, 1,375,672.35 and 286,027.70
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Solution
The fourth proportional to 917,114.90, 1,375,672.35 and 286,027.70 is: 429,041.55
Step by Step Solution
- Step 1: Write the proportion equation
917,114.90 : 1,375,672.35 = 286,027.70 : x - Step 2: Convert to fraction form
917,114.90/1,375,672.35 = 286,027.70/x - Step 3: Cross multiply
917,114.90x = 1,375,672.35 × 286,027.70 - Step 4: Simplify right side
917,114.90x = 393,480,398,224.10 - Step 5: Solve for x
x = 393,480,398,224.10/917,114.90 - Step 6: Final answer
x = 429,041.55
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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.