Finding the Fourth Proportional to 832,470.81, 1,148,812.59 and 450,497.49
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Solution
The fourth proportional to 832,470.81, 1,148,812.59 and 450,497.49 is: 621,688.09
Step by Step Solution
- Step 1: Write the proportion equation
832,470.81 : 1,148,812.59 = 450,497.49 : x - Step 2: Convert to fraction form
832,470.81/1,148,812.59 = 450,497.49/x - Step 3: Cross multiply
832,470.81x = 1,148,812.59 × 450,497.49 - Step 4: Simplify right side
832,470.81x = 517,537,188,275.40 - Step 5: Solve for x
x = 517,537,188,275.40/832,470.81 - Step 6: Final answer
x = 621,688.09
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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.