Finding the Fourth Proportional to 875,475.95, 1,207,878.89 and 691,130.07
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Solution
The fourth proportional to 875,475.95, 1,207,878.89 and 691,130.07 is: 953,540.10
Step by Step Solution
- Step 1: Write the proportion equation
875,475.95 : 1,207,878.89 = 691,130.07 : x - Step 2: Convert to fraction form
875,475.95/1,207,878.89 = 691,130.07/x - Step 3: Cross multiply
875,475.95x = 1,207,878.89 × 691,130.07 - Step 4: Simplify right side
875,475.95x = 834,801,418,341.57 - Step 5: Solve for x
x = 834,801,418,341.57/875,475.95 - Step 6: Final answer
x = 953,540.10
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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.