Finding the Fourth Proportional to 903,518.65, 1,246,646.64 and 540,804.70
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Solution
The fourth proportional to 903,518.65, 1,246,646.64 and 540,804.70 is: 746,185.33
Step by Step Solution
- Step 1: Write the proportion equation
903,518.65 : 1,246,646.64 = 540,804.70 : x - Step 2: Convert to fraction form
903,518.65/1,246,646.64 = 540,804.70/x - Step 3: Cross multiply
903,518.65x = 1,246,646.64 × 540,804.70 - Step 4: Simplify right side
903,518.65x = 674,192,362,151.21 - Step 5: Solve for x
x = 674,192,362,151.21/903,518.65 - Step 6: Final answer
x = 746,185.33
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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.