Finding the Fourth Proportional to 859,510.68, 1,289,266.02 and 326,908.68
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Solution
The fourth proportional to 859,510.68, 1,289,266.02 and 326,908.68 is: 490,363.02
Step by Step Solution
- Step 1: Write the proportion equation
859,510.68 : 1,289,266.02 = 326,908.68 : x - Step 2: Convert to fraction form
859,510.68/1,289,266.02 = 326,908.68/x - Step 3: Cross multiply
859,510.68x = 1,289,266.02 × 326,908.68 - Step 4: Simplify right side
859,510.68x = 421,472,252,767.05 - Step 5: Solve for x
x = 421,472,252,767.05/859,510.68 - Step 6: Final answer
x = 490,363.02
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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.