Finding the Fourth Proportional to 863,972.16, 1,296,536.70 and 358,533.66
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Solution
The fourth proportional to 863,972.16, 1,296,536.70 and 358,533.66 is: 538,040.54
Step by Step Solution
- Step 1: Write the proportion equation
863,972.16 : 1,296,536.70 = 358,533.66 : x - Step 2: Convert to fraction form
863,972.16/1,296,536.70 = 358,533.66/x - Step 3: Cross multiply
863,972.16x = 1,296,536.70 × 358,533.66 - Step 4: Simplify right side
863,972.16x = 464,852,048,375.32 - Step 5: Solve for x
x = 464,852,048,375.32/863,972.16 - Step 6: Final answer
x = 538,040.54
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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.