Finding the Fourth Proportional to 761,664.09, 1,051,055.99 and 439,355.01
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Solution
The fourth proportional to 761,664.09, 1,051,055.99 and 439,355.01 is: 606,286.58
Step by Step Solution
- Step 1: Write the proportion equation
761,664.09 : 1,051,055.99 = 439,355.01 : x - Step 2: Convert to fraction form
761,664.09/1,051,055.99 = 439,355.01/x - Step 3: Cross multiply
761,664.09x = 1,051,055.99 × 439,355.01 - Step 4: Simplify right side
761,664.09x = 461,786,712,800.24 - Step 5: Solve for x
x = 461,786,712,800.24/761,664.09 - Step 6: Final answer
x = 606,286.58
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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.