Finding the Fourth Proportional to 908,423.49, 1,362,828.99 and 453,259.47
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Solution
The fourth proportional to 908,423.49, 1,362,828.99 and 453,259.47 is: 679,985.88
Step by Step Solution
- Step 1: Write the proportion equation
908,423.49 : 1,362,828.99 = 453,259.47 : x - Step 2: Convert to fraction form
908,423.49/1,362,828.99 = 453,259.47/x - Step 3: Cross multiply
908,423.49x = 1,362,828.99 × 453,259.47 - Step 4: Simplify right side
908,423.49x = 617,715,148,366.72 - Step 5: Solve for x
x = 617,715,148,366.72/908,423.49 - Step 6: Final answer
x = 679,985.88
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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.