Finding the Fourth Proportional to 507,048.12, 699,182.28 and 427,353.84
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Solution
The fourth proportional to 507,048.12, 699,182.28 and 427,353.84 is: 589,289.70
Step by Step Solution
- Step 1: Write the proportion equation
507,048.12 : 699,182.28 = 427,353.84 : x - Step 2: Convert to fraction form
507,048.12/699,182.28 = 427,353.84/x - Step 3: Cross multiply
507,048.12x = 699,182.28 × 427,353.84 - Step 4: Simplify right side
507,048.12x = 298,798,232,217.96 - Step 5: Solve for x
x = 298,798,232,217.96/507,048.12 - Step 6: Final answer
x = 589,289.70
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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.