Finding the Fourth Proportional to 700,881.08, 967,215.74 and 378,591.18
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Solution
The fourth proportional to 700,881.08, 967,215.74 and 378,591.18 is: 522,455.75
Step by Step Solution
- Step 1: Write the proportion equation
700,881.08 : 967,215.74 = 378,591.18 : x - Step 2: Convert to fraction form
700,881.08/967,215.74 = 378,591.18/x - Step 3: Cross multiply
700,881.08x = 967,215.74 × 378,591.18 - Step 4: Simplify right side
700,881.08x = 366,179,346,428.22 - Step 5: Solve for x
x = 366,179,346,428.22/700,881.08 - Step 6: Final answer
x = 522,455.75
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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.