Finding the Fourth Proportional to 913,882, 1,258,903.74 and 777,479.08
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Solution
The fourth proportional to 913,882, 1,258,903.74 and 777,479.08 is: 1,071,004.05
Step by Step Solution
- Step 1: Write the proportion equation
913,882 : 1,258,903.74 = 777,479.08 : x - Step 2: Convert to fraction form
913,882/1,258,903.74 = 777,479.08/x - Step 3: Cross multiply
913,882x = 1,258,903.74 × 777,479.08 - Step 4: Simplify right side
913,882x = 978,771,321,583.76 - Step 5: Solve for x
x = 978,771,321,583.76/913,882 - Step 6: Final answer
x = 1,071,004.05
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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.