Finding the Fourth Proportional to 969,461.68, 1,337,397.60 and 683,139.28
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Solution
The fourth proportional to 969,461.68, 1,337,397.60 and 683,139.28 is: 942,408.40
Step by Step Solution
- Step 1: Write the proportion equation
969,461.68 : 1,337,397.60 = 683,139.28 : x - Step 2: Convert to fraction form
969,461.68/1,337,397.60 = 683,139.28/x - Step 3: Cross multiply
969,461.68x = 1,337,397.60 × 683,139.28 - Step 4: Simplify right side
969,461.68x = 913,628,833,537.73 - Step 5: Solve for x
x = 913,628,833,537.73/969,461.68 - Step 6: Final answer
x = 942,408.40
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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.