Finding the Fourth Proportional to 740,424.93, 1,110,550.52 and 207,991.28
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Solution
The fourth proportional to 740,424.93, 1,110,550.52 and 207,991.28 is: 311,962.51
Step by Step Solution
- Step 1: Write the proportion equation
740,424.93 : 1,110,550.52 = 207,991.28 : x - Step 2: Convert to fraction form
740,424.93/1,110,550.52 = 207,991.28/x - Step 3: Cross multiply
740,424.93x = 1,110,550.52 × 207,991.28 - Step 4: Simplify right side
740,424.93x = 230,984,817,566.76 - Step 5: Solve for x
x = 230,984,817,566.76/740,424.93 - Step 6: Final answer
x = 311,962.51
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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.