Finding the Fourth Proportional to 832,681.84, 1,149,103.92 and 450,708.16
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Solution
The fourth proportional to 832,681.84, 1,149,103.92 and 450,708.16 is: 621,978.87
Step by Step Solution
- Step 1: Write the proportion equation
832,681.84 : 1,149,103.92 = 450,708.16 : x - Step 2: Convert to fraction form
832,681.84/1,149,103.92 = 450,708.16/x - Step 3: Cross multiply
832,681.84x = 1,149,103.92 × 450,708.16 - Step 4: Simplify right side
832,681.84x = 517,910,513,431.99 - Step 5: Solve for x
x = 517,910,513,431.99/832,681.84 - Step 6: Final answer
x = 621,978.87
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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.