Finding the Fourth Proportional to 647,348.58, 971,303.00 and 347,479.02
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Solution
The fourth proportional to 647,348.58, 971,303.00 and 347,479.02 is: 521,368.89
Step by Step Solution
- Step 1: Write the proportion equation
647,348.58 : 971,303.00 = 347,479.02 : x - Step 2: Convert to fraction form
647,348.58/971,303.00 = 347,479.02/x - Step 3: Cross multiply
647,348.58x = 971,303.00 × 347,479.02 - Step 4: Simplify right side
647,348.58x = 337,507,412,825.67 - Step 5: Solve for x
x = 337,507,412,825.67/647,348.58 - Step 6: Final answer
x = 521,368.89
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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.