Finding the Fourth Proportional to 664,073.84, 916,420.74 and 362,267.84
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Solution
The fourth proportional to 664,073.84, 916,420.74 and 362,267.84 is: 499,928.99
Step by Step Solution
- Step 1: Write the proportion equation
664,073.84 : 916,420.74 = 362,267.84 : x - Step 2: Convert to fraction form
664,073.84/916,420.74 = 362,267.84/x - Step 3: Cross multiply
664,073.84x = 916,420.74 × 362,267.84 - Step 4: Simplify right side
664,073.84x = 331,989,762,011.00 - Step 5: Solve for x
x = 331,989,762,011.00/664,073.84 - Step 6: Final answer
x = 499,928.99
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1.5x scale
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.