Finding the Fourth Proportional to 608,866.17, 913,660.05 and 339,220.00
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Solution
The fourth proportional to 608,866.17, 913,660.05 and 339,220.00 is: 509,031.02
Step by Step Solution
- Step 1: Write the proportion equation
608,866.17 : 913,660.05 = 339,220.00 : x - Step 2: Convert to fraction form
608,866.17/913,660.05 = 339,220.00/x - Step 3: Cross multiply
608,866.17x = 913,660.05 × 339,220.00 - Step 4: Simplify right side
608,866.17x = 309,931,764,575.15 - Step 5: Solve for x
x = 309,931,764,575.15/608,866.17 - Step 6: Final answer
x = 509,031.02
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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.