Finding the Fourth Proportional to 563,431.18, 777,189.56 and 460,215.34
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Solution
The fourth proportional to 563,431.18, 777,189.56 and 460,215.34 is: 634,814.99
Step by Step Solution
- Step 1: Write the proportion equation
563,431.18 : 777,189.56 = 460,215.34 : x - Step 2: Convert to fraction form
563,431.18/777,189.56 = 460,215.34/x - Step 3: Cross multiply
563,431.18x = 777,189.56 × 460,215.34 - Step 4: Simplify right side
563,431.18x = 357,674,557,599.85 - Step 5: Solve for x
x = 357,674,557,599.85/563,431.18 - Step 6: Final answer
x = 634,814.99
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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.