Finding the Fourth Proportional to 970,990.83, 1,340,541.36 and 863,262.63
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Solution
The fourth proportional to 970,990.83, 1,340,541.36 and 863,262.63 is: 1,191,812.76
Step by Step Solution
- Step 1: Write the proportion equation
970,990.83 : 1,340,541.36 = 863,262.63 : x - Step 2: Convert to fraction form
970,990.83/1,340,541.36 = 863,262.63/x - Step 3: Cross multiply
970,990.83x = 1,340,541.36 × 863,262.63 - Step 4: Simplify right side
970,990.83x = 1,157,239,260,057.38 - Step 5: Solve for x
x = 1,157,239,260,057.38/970,990.83 - Step 6: Final answer
x = 1,191,812.76
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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.