Finding the Fourth Proportional to 903,239.47, 1,246,497.96 and 495,358.30
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Solution
The fourth proportional to 903,239.47, 1,246,497.96 and 495,358.30 is: 683,609.53
Step by Step Solution
- Step 1: Write the proportion equation
903,239.47 : 1,246,497.96 = 495,358.30 : x - Step 2: Convert to fraction form
903,239.47/1,246,497.96 = 495,358.30/x - Step 3: Cross multiply
903,239.47x = 1,246,497.96 × 495,358.30 - Step 4: Simplify right side
903,239.47x = 617,463,110,419.07 - Step 5: Solve for x
x = 617,463,110,419.07/903,239.47 - Step 6: Final answer
x = 683,609.53
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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.