Finding the Fourth Proportional to 750,922.60, 1,126,530.90 and 330,197.26
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Solution
The fourth proportional to 750,922.60, 1,126,530.90 and 330,197.26 is: 495,360.53
Step by Step Solution
- Step 1: Write the proportion equation
750,922.60 : 1,126,530.90 = 330,197.26 : x - Step 2: Convert to fraction form
750,922.60/1,126,530.90 = 330,197.26/x - Step 3: Cross multiply
750,922.60x = 1,126,530.90 × 330,197.26 - Step 4: Simplify right side
750,922.60x = 371,977,416,485.33 - Step 5: Solve for x
x = 371,977,416,485.33/750,922.60 - Step 6: Final answer
x = 495,360.53
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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.