Finding the Fourth Proportional to 899,373.84, 1,241,206.65 and 512,205.63
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Solution
The fourth proportional to 899,373.84, 1,241,206.65 and 512,205.63 is: 706,884.06
Step by Step Solution
- Step 1: Write the proportion equation
899,373.84 : 1,241,206.65 = 512,205.63 : x - Step 2: Convert to fraction form
899,373.84/1,241,206.65 = 512,205.63/x - Step 3: Cross multiply
899,373.84x = 1,241,206.65 × 512,205.63 - Step 4: Simplify right side
899,373.84x = 635,753,034,123.44 - Step 5: Solve for x
x = 635,753,034,123.44/899,373.84 - Step 6: Final answer
x = 706,884.06
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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.