Finding the Fourth Proportional to 576,011.57, 864,765.81 and 442,986.08
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Solution
The fourth proportional to 576,011.57, 864,765.81 and 442,986.08 is: 665,054.72
Step by Step Solution
- Step 1: Write the proportion equation
576,011.57 : 864,765.81 = 442,986.08 : x - Step 2: Convert to fraction form
576,011.57/864,765.81 = 442,986.08/x - Step 3: Cross multiply
576,011.57x = 864,765.81 × 442,986.08 - Step 4: Simplify right side
576,011.57x = 383,079,211,966.10 - Step 5: Solve for x
x = 383,079,211,966.10/576,011.57 - Step 6: Final answer
x = 665,054.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.