Finding the Fourth Proportional to 767,507.57, 1,059,028.29 and 492,106.26
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Solution
The fourth proportional to 767,507.57, 1,059,028.29 and 492,106.26 is: 679,021.91
Step by Step Solution
- Step 1: Write the proportion equation
767,507.57 : 1,059,028.29 = 492,106.26 : x - Step 2: Convert to fraction form
767,507.57/1,059,028.29 = 492,106.26/x - Step 3: Cross multiply
767,507.57x = 1,059,028.29 × 492,106.26 - Step 4: Simplify right side
767,507.57x = 521,154,451,026.10 - Step 5: Solve for x
x = 521,154,451,026.10/767,507.57 - Step 6: Final answer
x = 679,021.91
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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.