Finding the Fourth Proportional to 914,798.25, 1,262,421.59 and 557,102.25
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Solution
The fourth proportional to 914,798.25, 1,262,421.59 and 557,102.25 is: 768,801.11
Step by Step Solution
- Step 1: Write the proportion equation
914,798.25 : 1,262,421.59 = 557,102.25 : x - Step 2: Convert to fraction form
914,798.25/1,262,421.59 = 557,102.25/x - Step 3: Cross multiply
914,798.25x = 1,262,421.59 × 557,102.25 - Step 4: Simplify right side
914,798.25x = 703,297,905,452.07 - Step 5: Solve for x
x = 703,297,905,452.07/914,798.25 - Step 6: Final answer
x = 768,801.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.