Finding the Fourth Proportional to 664,075.84, 916,423.50 and 362,269.84
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Solution
The fourth proportional to 664,075.84, 916,423.50 and 362,269.84 is: 499,931.75
Step by Step Solution
- Step 1: Write the proportion equation
664,075.84 : 916,423.50 = 362,269.84 : x - Step 2: Convert to fraction form
664,075.84/916,423.50 = 362,269.84/x - Step 3: Cross multiply
664,075.84x = 916,423.50 × 362,269.84 - Step 4: Simplify right side
664,075.84x = 331,992,594,717.24 - Step 5: Solve for x
x = 331,992,594,717.24/664,075.84 - Step 6: Final answer
x = 499,931.75
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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.