Finding the Fourth Proportional to 424,784.23, 637,176.60 and 291,259.68
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Solution
The fourth proportional to 424,784.23, 637,176.60 and 291,259.68 is: 436,889.69
Step by Step Solution
- Step 1: Write the proportion equation
424,784.23 : 637,176.60 = 291,259.68 : x - Step 2: Convert to fraction form
424,784.23/637,176.60 = 291,259.68/x - Step 3: Cross multiply
424,784.23x = 637,176.60 × 291,259.68 - Step 4: Simplify right side
424,784.23x = 185,583,852,619.49 - Step 5: Solve for x
x = 185,583,852,619.49/424,784.23 - Step 6: Final answer
x = 436,889.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.