Finding the Fourth Proportional to 903,031.07, 1,246,168.62 and 495,136.44
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Solution
The fourth proportional to 903,031.07, 1,246,168.62 and 495,136.44 is: 683,280.47
Step by Step Solution
- Step 1: Write the proportion equation
903,031.07 : 1,246,168.62 = 495,136.44 : x - Step 2: Convert to fraction form
903,031.07/1,246,168.62 = 495,136.44/x - Step 3: Cross multiply
903,031.07x = 1,246,168.62 × 495,136.44 - Step 4: Simplify right side
903,031.07x = 617,023,494,146.51 - Step 5: Solve for x
x = 617,023,494,146.51/903,031.07 - Step 6: Final answer
x = 683,280.47
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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.