Finding the Fourth Proportional to 832,470.24, 1,148,809.86 and 450,497.07
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Solution
The fourth proportional to 832,470.24, 1,148,809.86 and 450,497.07 is: 621,686.46
Step by Step Solution
- Step 1: Write the proportion equation
832,470.24 : 1,148,809.86 = 450,497.07 : x - Step 2: Convert to fraction form
832,470.24/1,148,809.86 = 450,497.07/x - Step 3: Cross multiply
832,470.24x = 1,148,809.86 × 450,497.07 - Step 4: Simplify right side
832,470.24x = 517,535,475,917.11 - Step 5: Solve for x
x = 517,535,475,917.11/832,470.24 - Step 6: Final answer
x = 621,686.46
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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.