Finding the Fourth Proportional to 963,007.47, 1,328,949.09 and 533,287.08
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Solution
The fourth proportional to 963,007.47, 1,328,949.09 and 533,287.08 is: 735,935.50
Step by Step Solution
- Step 1: Write the proportion equation
963,007.47 : 1,328,949.09 = 533,287.08 : x - Step 2: Convert to fraction form
963,007.47/1,328,949.09 = 533,287.08/x - Step 3: Cross multiply
963,007.47x = 1,328,949.09 × 533,287.08 - Step 4: Simplify right side
963,007.47x = 708,711,379,674.76 - Step 5: Solve for x
x = 708,711,379,674.76/963,007.47 - Step 6: Final answer
x = 735,935.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.