Finding the Fourth Proportional to 579,462.14, 869,442.96 and 313,409.95
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Solution
The fourth proportional to 579,462.14, 869,442.96 and 313,409.95 is: 470,250.00
Step by Step Solution
- Step 1: Write the proportion equation
579,462.14 : 869,442.96 = 313,409.95 : x - Step 2: Convert to fraction form
579,462.14/869,442.96 = 313,409.95/x - Step 3: Cross multiply
579,462.14x = 869,442.96 × 313,409.95 - Step 4: Simplify right side
579,462.14x = 272,492,070,274.24 - Step 5: Solve for x
x = 272,492,070,274.24/579,462.14 - Step 6: Final answer
x = 470,250.00
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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.