Finding the Fourth Proportional to 570,799.19, 788,232.36 and 427,310.12
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Solution
The fourth proportional to 570,799.19, 788,232.36 and 427,310.12 is: 590,084.34
Step by Step Solution
- Step 1: Write the proportion equation
570,799.19 : 788,232.36 = 427,310.12 : x - Step 2: Convert to fraction form
570,799.19/788,232.36 = 427,310.12/x - Step 3: Cross multiply
570,799.19x = 788,232.36 × 427,310.12 - Step 4: Simplify right side
570,799.19x = 336,819,664,339.48 - Step 5: Solve for x
x = 336,819,664,339.48/570,799.19 - Step 6: Final answer
x = 590,084.34
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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.