Finding the Fourth Proportional to 992,482.28, 1,369,316.58 and 562,728.68
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Solution
The fourth proportional to 992,482.28, 1,369,316.58 and 562,728.68 is: 776,390.40
Step by Step Solution
- Step 1: Write the proportion equation
992,482.28 : 1,369,316.58 = 562,728.68 : x - Step 2: Convert to fraction form
992,482.28/1,369,316.58 = 562,728.68/x - Step 3: Cross multiply
992,482.28x = 1,369,316.58 × 562,728.68 - Step 4: Simplify right side
992,482.28x = 770,553,711,565.52 - Step 5: Solve for x
x = 770,553,711,565.52/992,482.28 - Step 6: Final answer
x = 776,390.40
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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.