Finding the Fourth Proportional to 832,305.71, 1,148,458.73 and 505,448.75
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Solution
The fourth proportional to 832,305.71, 1,148,458.73 and 505,448.75 is: 697,444.49
Step by Step Solution
- Step 1: Write the proportion equation
832,305.71 : 1,148,458.73 = 505,448.75 : x - Step 2: Convert to fraction form
832,305.71/1,148,458.73 = 505,448.75/x - Step 3: Cross multiply
832,305.71x = 1,148,458.73 × 505,448.75 - Step 4: Simplify right side
832,305.71x = 580,487,029,848.99 - Step 5: Solve for x
x = 580,487,029,848.99/832,305.71 - Step 6: Final answer
x = 697,444.49
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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.