Finding the Fourth Proportional to 746,684.16, 1,115,266.80 and 675,497.76
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Solution
The fourth proportional to 746,684.16, 1,115,266.80 and 675,497.76 is: 1,008,940.95
Step by Step Solution
- Step 1: Write the proportion equation
746,684.16 : 1,115,266.80 = 675,497.76 : x - Step 2: Convert to fraction form
746,684.16/1,115,266.80 = 675,497.76/x - Step 3: Cross multiply
746,684.16x = 1,115,266.80 × 675,497.76 - Step 4: Simplify right side
746,684.16x = 753,360,225,202.37 - Step 5: Solve for x
x = 753,360,225,202.37/746,684.16 - Step 6: Final answer
x = 1,008,940.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.