Finding the Fourth Proportional to 563,430.33, 777,555.05 and 321,714.99
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Solution
The fourth proportional to 563,430.33, 777,555.05 and 321,714.99 is: 443,978.79
Step by Step Solution
- Step 1: Write the proportion equation
563,430.33 : 777,555.05 = 321,714.99 : x - Step 2: Convert to fraction form
563,430.33/777,555.05 = 321,714.99/x - Step 3: Cross multiply
563,430.33x = 777,555.05 × 321,714.99 - Step 4: Simplify right side
563,430.33x = 250,151,113,526.63 - Step 5: Solve for x
x = 250,151,113,526.63/563,430.33 - Step 6: Final answer
x = 443,978.79
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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.