Finding the Fourth Proportional to 899,533.08, 1,241,353.54 and 512,348.42
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Solution
The fourth proportional to 899,533.08, 1,241,353.54 and 512,348.42 is: 707,039.62
Step by Step Solution
- Step 1: Write the proportion equation
899,533.08 : 1,241,353.54 = 512,348.42 : x - Step 2: Convert to fraction form
899,533.08/1,241,353.54 = 512,348.42/x - Step 3: Cross multiply
899,533.08x = 1,241,353.54 × 512,348.42 - Step 4: Simplify right side
899,533.08x = 636,005,522,318.67 - Step 5: Solve for x
x = 636,005,522,318.67/899,533.08 - Step 6: Final answer
x = 707,039.62
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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.