Finding the Fourth Proportional to 912,275.63, 1,368,283.01 and 313,225.55
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Solution
The fourth proportional to 912,275.63, 1,368,283.01 and 313,225.55 is: 469,793.54
Step by Step Solution
- Step 1: Write the proportion equation
912,275.63 : 1,368,283.01 = 313,225.55 : x - Step 2: Convert to fraction form
912,275.63/1,368,283.01 = 313,225.55/x - Step 3: Cross multiply
912,275.63x = 1,368,283.01 × 313,225.55 - Step 4: Simplify right side
912,275.63x = 428,581,196,796.78 - Step 5: Solve for x
x = 428,581,196,796.78/912,275.63 - Step 6: Final answer
x = 469,793.54
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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.