Finding the Fourth Proportional to 575,597.80, 863,396.70 and 435,629.80
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Solution
The fourth proportional to 575,597.80, 863,396.70 and 435,629.80 is: 653,444.70
Step by Step Solution
- Step 1: Write the proportion equation
575,597.80 : 863,396.70 = 435,629.80 : x - Step 2: Convert to fraction form
575,597.80/863,396.70 = 435,629.80/x - Step 3: Cross multiply
575,597.80x = 863,396.70 × 435,629.80 - Step 4: Simplify right side
575,597.80x = 376,121,331,741.66 - Step 5: Solve for x
x = 376,121,331,741.66/575,597.80 - Step 6: Final answer
x = 653,444.70
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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.