Finding the Fourth Proportional to 647,733.60, 971,308.80 and 292,564.80
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Solution
The fourth proportional to 647,733.60, 971,308.80 and 292,564.80 is: 438,715.49
Step by Step Solution
- Step 1: Write the proportion equation
647,733.60 : 971,308.80 = 292,564.80 : x - Step 2: Convert to fraction form
647,733.60/971,308.80 = 292,564.80/x - Step 3: Cross multiply
647,733.60x = 971,308.80 × 292,564.80 - Step 4: Simplify right side
647,733.60x = 284,170,764,810.24 - Step 5: Solve for x
x = 284,170,764,810.24/647,733.60 - Step 6: Final answer
x = 438,715.49
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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.