Finding the Fourth Proportional to 553,798.13, 764,241.84 and 299,149.34
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Solution
The fourth proportional to 553,798.13, 764,241.84 and 299,149.34 is: 412,826.31
Step by Step Solution
- Step 1: Write the proportion equation
553,798.13 : 764,241.84 = 299,149.34 : x - Step 2: Convert to fraction form
553,798.13/764,241.84 = 299,149.34/x - Step 3: Cross multiply
553,798.13x = 764,241.84 × 299,149.34 - Step 4: Simplify right side
553,798.13x = 228,622,438,215.18 - Step 5: Solve for x
x = 228,622,438,215.18/553,798.13 - Step 6: Final answer
x = 412,826.31
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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.