Finding the Fourth Proportional to 475,349.09, 712,543.57 and 297,980.42
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Solution
The fourth proportional to 475,349.09, 712,543.57 and 297,980.42 is: 446,669.69
Step by Step Solution
- Step 1: Write the proportion equation
475,349.09 : 712,543.57 = 297,980.42 : x - Step 2: Convert to fraction form
475,349.09/712,543.57 = 297,980.42/x - Step 3: Cross multiply
475,349.09x = 712,543.57 × 297,980.42 - Step 4: Simplify right side
475,349.09x = 212,324,027,949.23 - Step 5: Solve for x
x = 212,324,027,949.23/475,349.09 - Step 6: Final answer
x = 446,669.69
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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.