Finding the Fourth Proportional to 772,638.08, 1,066,237.20 and 433,106.36
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Solution
The fourth proportional to 772,638.08, 1,066,237.20 and 433,106.36 is: 597,684.90
Step by Step Solution
- Step 1: Write the proportion equation
772,638.08 : 1,066,237.20 = 433,106.36 : x - Step 2: Convert to fraction form
772,638.08/1,066,237.20 = 433,106.36/x - Step 3: Cross multiply
772,638.08x = 1,066,237.20 × 433,106.36 - Step 4: Simplify right side
772,638.08x = 461,794,112,588.59 - Step 5: Solve for x
x = 461,794,112,588.59/772,638.08 - Step 6: Final answer
x = 597,684.90
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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.