Finding the Fourth Proportional to 832,817.84, 1,149,292.30 and 450,844.60
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Solution
The fourth proportional to 832,817.84, 1,149,292.30 and 450,844.60 is: 622,167.54
Step by Step Solution
- Step 1: Write the proportion equation
832,817.84 : 1,149,292.30 = 450,844.60 : x - Step 2: Convert to fraction form
832,817.84/1,149,292.30 = 450,844.60/x - Step 3: Cross multiply
832,817.84x = 1,149,292.30 × 450,844.60 - Step 4: Simplify right side
832,817.84x = 518,152,227,276.58 - Step 5: Solve for x
x = 518,152,227,276.58/832,817.84 - Step 6: Final answer
x = 622,167.54
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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.