Finding the Fourth Proportional to 961,102.55, 1,440,669.68 and 561,537.65
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Solution
The fourth proportional to 961,102.55, 1,440,669.68 and 561,537.65 is: 841,731.47
Step by Step Solution
- Step 1: Write the proportion equation
961,102.55 : 1,440,669.68 = 561,537.65 : x - Step 2: Convert to fraction form
961,102.55/1,440,669.68 = 561,537.65/x - Step 3: Cross multiply
961,102.55x = 1,440,669.68 × 561,537.65 - Step 4: Simplify right side
961,102.55x = 808,990,263,725.76 - Step 5: Solve for x
x = 808,990,263,725.76/961,102.55 - Step 6: Final answer
x = 841,731.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.