Finding the Fourth Proportional to 832,470.97, 1,148,812.83 and 450,497.65
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Solution
The fourth proportional to 832,470.97, 1,148,812.83 and 450,497.65 is: 621,688.32
Step by Step Solution
- Step 1: Write the proportion equation
832,470.97 : 1,148,812.83 = 450,497.65 : x - Step 2: Convert to fraction form
832,470.97/1,148,812.83 = 450,497.65/x - Step 3: Cross multiply
832,470.97x = 1,148,812.83 × 450,497.65 - Step 4: Simplify right side
832,470.97x = 517,537,480,204.85 - Step 5: Solve for x
x = 517,537,480,204.85/832,470.97 - Step 6: Final answer
x = 621,688.32
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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.