Finding the Fourth Proportional to 777,935.84, 1,166,903.94 and 245,498.36
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Solution
The fourth proportional to 777,935.84, 1,166,903.94 and 245,498.36 is: 368,247.60
Step by Step Solution
- Step 1: Write the proportion equation
777,935.84 : 1,166,903.94 = 245,498.36 : x - Step 2: Convert to fraction form
777,935.84/1,166,903.94 = 245,498.36/x - Step 3: Cross multiply
777,935.84x = 1,166,903.94 × 245,498.36 - Step 4: Simplify right side
777,935.84x = 286,473,003,547.54 - Step 5: Solve for x
x = 286,473,003,547.54/777,935.84 - Step 6: Final answer
x = 368,247.60
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1.5x scale
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.