Finding the Fourth Proportional to 772,802.70, 1,159,204.05 and 687,181.65
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Solution
The fourth proportional to 772,802.70, 1,159,204.05 and 687,181.65 is: 1,030,772.48
Step by Step Solution
- Step 1: Write the proportion equation
772,802.70 : 1,159,204.05 = 687,181.65 : x - Step 2: Convert to fraction form
772,802.70/1,159,204.05 = 687,181.65/x - Step 3: Cross multiply
772,802.70x = 1,159,204.05 × 687,181.65 - Step 4: Simplify right side
772,802.70x = 796,583,751,765.68 - Step 5: Solve for x
x = 796,583,751,765.68/772,802.70 - Step 6: Final answer
x = 1,030,772.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.