Finding the Fourth Proportional to 862,297.68, 1,189,971.93 and 469,828.79
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Solution
The fourth proportional to 862,297.68, 1,189,971.93 and 469,828.79 is: 648,364.34
Step by Step Solution
- Step 1: Write the proportion equation
862,297.68 : 1,189,971.93 = 469,828.79 : x - Step 2: Convert to fraction form
862,297.68/1,189,971.93 = 469,828.79/x - Step 3: Cross multiply
862,297.68x = 1,189,971.93 × 469,828.79 - Step 4: Simplify right side
862,297.68x = 559,083,072,280.26 - Step 5: Solve for x
x = 559,083,072,280.26/862,297.68 - Step 6: Final answer
x = 648,364.34
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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.