Finding the Fourth Proportional to 750,712.28, 1,125,533.51 and 351,135.23
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Solution
The fourth proportional to 750,712.28, 1,125,533.51 and 351,135.23 is: 526,452.64
Step by Step Solution
- Step 1: Write the proportion equation
750,712.28 : 1,125,533.51 = 351,135.23 : x - Step 2: Convert to fraction form
750,712.28/1,125,533.51 = 351,135.23/x - Step 3: Cross multiply
750,712.28x = 1,125,533.51 × 351,135.23 - Step 4: Simplify right side
750,712.28x = 395,214,460,523.21 - Step 5: Solve for x
x = 395,214,460,523.21/750,712.28 - Step 6: Final answer
x = 526,452.64
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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.