Finding the Fourth Proportional to 832,596.90, 1,148,983.68 and 450,623.68
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Solution
The fourth proportional to 832,596.90, 1,148,983.68 and 450,623.68 is: 621,860.66
Step by Step Solution
- Step 1: Write the proportion equation
832,596.90 : 1,148,983.68 = 450,623.68 : x - Step 2: Convert to fraction form
832,596.90/1,148,983.68 = 450,623.68/x - Step 3: Cross multiply
832,596.90x = 1,148,983.68 × 450,623.68 - Step 4: Simplify right side
832,596.90x = 517,759,254,141.54 - Step 5: Solve for x
x = 517,759,254,141.54/832,596.90 - Step 6: Final answer
x = 621,860.66
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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.