Finding the Fourth Proportional to 748,210.65, 1,122,691.41 and 348,882.68
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Solution
The fourth proportional to 748,210.65, 1,122,691.41 and 348,882.68 is: 523,499.07
Step by Step Solution
- Step 1: Write the proportion equation
748,210.65 : 1,122,691.41 = 348,882.68 : x - Step 2: Convert to fraction form
748,210.65/1,122,691.41 = 348,882.68/x - Step 3: Cross multiply
748,210.65x = 1,122,691.41 × 348,882.68 - Step 4: Simplify right side
748,210.65x = 391,687,582,320.32 - Step 5: Solve for x
x = 391,687,582,320.32/748,210.65 - Step 6: Final answer
x = 523,499.07
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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.