Finding the Fourth Proportional to 922,928.30, 1,273,641.10 and 509,465.19
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Solution
The fourth proportional to 922,928.30, 1,273,641.10 and 509,465.19 is: 703,061.99
Step by Step Solution
- Step 1: Write the proportion equation
922,928.30 : 1,273,641.10 = 509,465.19 : x - Step 2: Convert to fraction form
922,928.30/1,273,641.10 = 509,465.19/x - Step 3: Cross multiply
922,928.30x = 1,273,641.10 × 509,465.19 - Step 4: Simplify right side
922,928.30x = 648,875,803,729.65 - Step 5: Solve for x
x = 648,875,803,729.65/922,928.30 - Step 6: Final answer
x = 703,061.99
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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.