Finding the Fourth Proportional to 579,467.70, 869,201.55 and 529,701.30
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Solution
The fourth proportional to 579,467.70, 869,201.55 and 529,701.30 is: 794,551.95
Step by Step Solution
- Step 1: Write the proportion equation
579,467.70 : 869,201.55 = 529,701.30 : x - Step 2: Convert to fraction form
579,467.70/869,201.55 = 529,701.30/x - Step 3: Cross multiply
579,467.70x = 869,201.55 × 529,701.30 - Step 4: Simplify right side
579,467.70x = 460,417,190,997.02 - Step 5: Solve for x
x = 460,417,190,997.02/579,467.70 - Step 6: Final answer
x = 794,551.95
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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.