Finding the Fourth Proportional to 931,749.71, 1,397,655.62 and 257,774.55
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Solution
The fourth proportional to 931,749.71, 1,397,655.62 and 257,774.55 is: 386,670.42
Step by Step Solution
- Step 1: Write the proportion equation
931,749.71 : 1,397,655.62 = 257,774.55 : x - Step 2: Convert to fraction form
931,749.71/1,397,655.62 = 257,774.55/x - Step 3: Cross multiply
931,749.71x = 1,397,655.62 × 257,774.55 - Step 4: Simplify right side
931,749.71x = 360,280,051,161.34 - Step 5: Solve for x
x = 360,280,051,161.34/931,749.71 - Step 6: Final answer
x = 386,670.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.