Finding the Fourth Proportional to 880,370.74, 1,216,051.26 and 728,024.32
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Solution
The fourth proportional to 880,370.74, 1,216,051.26 and 728,024.32 is: 1,005,615.99
Step by Step Solution
- Step 1: Write the proportion equation
880,370.74 : 1,216,051.26 = 728,024.32 : x - Step 2: Convert to fraction form
880,370.74/1,216,051.26 = 728,024.32/x - Step 3: Cross multiply
880,370.74x = 1,216,051.26 × 728,024.32 - Step 4: Simplify right side
880,370.74x = 885,314,887,735.08 - Step 5: Solve for x
x = 885,314,887,735.08/880,370.74 - Step 6: Final answer
x = 1,005,615.99
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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.