Finding the Fourth Proportional to 1,022,396.18, 1,533,594.26 and 312,418.06
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Solution
The fourth proportional to 1,022,396.18, 1,533,594.26 and 312,418.06 is: 468,627.09
Step by Step Solution
- Step 1: Write the proportion equation
1,022,396.18 : 1,533,594.26 = 312,418.06 : x - Step 2: Convert to fraction form
1,022,396.18/1,533,594.26 = 312,418.06/x - Step 3: Cross multiply
1,022,396.18x = 1,533,594.26 × 312,418.06 - Step 4: Simplify right side
1,022,396.18x = 479,122,549,109.86 - Step 5: Solve for x
x = 479,122,549,109.86/1,022,396.18 - Step 6: Final answer
x = 468,627.09
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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.