Finding the Fourth Proportional to 484,009.99, 668,074.58 and 322,864.64
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Solution
The fourth proportional to 484,009.99, 668,074.58 and 322,864.64 is: 445,647.12
Step by Step Solution
- Step 1: Write the proportion equation
484,009.99 : 668,074.58 = 322,864.64 : x - Step 2: Convert to fraction form
484,009.99/668,074.58 = 322,864.64/x - Step 3: Cross multiply
484,009.99x = 668,074.58 × 322,864.64 - Step 4: Simplify right side
484,009.99x = 215,697,660,031.46 - Step 5: Solve for x
x = 215,697,660,031.46/484,009.99 - Step 6: Final answer
x = 445,647.12
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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.