Finding the Fourth Proportional to 568,579.60, 784,652.08 and 313,946.88
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Solution
The fourth proportional to 568,579.60, 784,652.08 and 313,946.88 is: 433,253.45
Step by Step Solution
- Step 1: Write the proportion equation
568,579.60 : 784,652.08 = 313,946.88 : x - Step 2: Convert to fraction form
568,579.60/784,652.08 = 313,946.88/x - Step 3: Cross multiply
568,579.60x = 784,652.08 × 313,946.88 - Step 4: Simplify right side
568,579.60x = 246,339,072,401.51 - Step 5: Solve for x
x = 246,339,072,401.51/568,579.60 - Step 6: Final answer
x = 433,253.45
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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.