Finding the Fourth Proportional to 593,276.42, 818,495.55 and 438,599.09
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Solution
The fourth proportional to 593,276.42, 818,495.55 and 438,599.09 is: 605,099.73
Step by Step Solution
- Step 1: Write the proportion equation
593,276.42 : 818,495.55 = 438,599.09 : x - Step 2: Convert to fraction form
593,276.42/818,495.55 = 438,599.09/x - Step 3: Cross multiply
593,276.42x = 818,495.55 × 438,599.09 - Step 4: Simplify right side
593,276.42x = 358,991,405,445.29 - Step 5: Solve for x
x = 358,991,405,445.29/593,276.42 - Step 6: Final answer
x = 605,099.73
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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.