Finding the Fourth Proportional to 842,189.07, 1,262,089.41 and 651,762.99
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Solution
The fourth proportional to 842,189.07, 1,262,089.41 and 651,762.99 is: 976,720.30
Step by Step Solution
- Step 1: Write the proportion equation
842,189.07 : 1,262,089.41 = 651,762.99 : x - Step 2: Convert to fraction form
842,189.07/1,262,089.41 = 651,762.99/x - Step 3: Cross multiply
842,189.07x = 1,262,089.41 × 651,762.99 - Step 4: Simplify right side
842,189.07x = 822,583,165,064.83 - Step 5: Solve for x
x = 822,583,165,064.83/842,189.07 - Step 6: Final answer
x = 976,720.30
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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.