Finding the Fourth Proportional to 889,842.16, 1,226,998.21 and 567,040.96
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Solution
The fourth proportional to 889,842.16, 1,226,998.21 and 567,040.96 is: 781,889.50
Step by Step Solution
- Step 1: Write the proportion equation
889,842.16 : 1,226,998.21 = 567,040.96 : x - Step 2: Convert to fraction form
889,842.16/1,226,998.21 = 567,040.96/x - Step 3: Cross multiply
889,842.16x = 1,226,998.21 × 567,040.96 - Step 4: Simplify right side
889,842.16x = 695,758,242,916.68 - Step 5: Solve for x
x = 695,758,242,916.68/889,842.16 - Step 6: Final answer
x = 781,889.50
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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.