Finding the Fourth Proportional to 610,600.20, 915,750.99 and 477,149.46
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Solution
The fourth proportional to 610,600.20, 915,750.99 and 477,149.46 is: 715,607.51
Step by Step Solution
- Step 1: Write the proportion equation
610,600.20 : 915,750.99 = 477,149.46 : x - Step 2: Convert to fraction form
610,600.20/915,750.99 = 477,149.46/x - Step 3: Cross multiply
610,600.20x = 915,750.99 × 477,149.46 - Step 4: Simplify right side
610,600.20x = 436,950,090,372.97 - Step 5: Solve for x
x = 436,950,090,372.97/610,600.20 - Step 6: Final answer
x = 715,607.51
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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.