Finding the Fourth Proportional to 723,899.34, 999,028.41 and 417,988.62
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Solution
The fourth proportional to 723,899.34, 999,028.41 and 417,988.62 is: 576,851.62
Step by Step Solution
- Step 1: Write the proportion equation
723,899.34 : 999,028.41 = 417,988.62 : x - Step 2: Convert to fraction form
723,899.34/999,028.41 = 417,988.62/x - Step 3: Cross multiply
723,899.34x = 999,028.41 × 417,988.62 - Step 4: Simplify right side
723,899.34x = 417,582,504,869.24 - Step 5: Solve for x
x = 417,582,504,869.24/723,899.34 - Step 6: Final answer
x = 576,851.62
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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.