Finding the Fourth Proportional to 553,624.90, 764,002.36 and 298,976.08
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Solution
The fourth proportional to 553,624.90, 764,002.36 and 298,976.08 is: 412,586.99
Step by Step Solution
- Step 1: Write the proportion equation
553,624.90 : 764,002.36 = 298,976.08 : x - Step 2: Convert to fraction form
553,624.90/764,002.36 = 298,976.08/x - Step 3: Cross multiply
553,624.90x = 764,002.36 × 298,976.08 - Step 4: Simplify right side
553,624.90x = 228,418,430,703.55 - Step 5: Solve for x
x = 228,418,430,703.55/553,624.90 - Step 6: Final answer
x = 412,586.99
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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.