Finding the Fourth Proportional to 766,258.79, 1,147,616.71 and 739,686.74
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Solution
The fourth proportional to 766,258.79, 1,147,616.71 and 739,686.74 is: 1,107,820.06
Step by Step Solution
- Step 1: Write the proportion equation
766,258.79 : 1,147,616.71 = 739,686.74 : x - Step 2: Convert to fraction form
766,258.79/1,147,616.71 = 739,686.74/x - Step 3: Cross multiply
766,258.79x = 1,147,616.71 × 739,686.74 - Step 4: Simplify right side
766,258.79x = 848,876,855,402.13 - Step 5: Solve for x
x = 848,876,855,402.13/766,258.79 - Step 6: Final answer
x = 1,107,820.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.