Finding the Fourth Proportional to 750,829.68, 1,126,410.59 and 413,696.79
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Solution
The fourth proportional to 750,829.68, 1,126,410.59 and 413,696.79 is: 620,636.69
Step by Step Solution
- Step 1: Write the proportion equation
750,829.68 : 1,126,410.59 = 413,696.79 : x - Step 2: Convert to fraction form
750,829.68/1,126,410.59 = 413,696.79/x - Step 3: Cross multiply
750,829.68x = 1,126,410.59 × 413,696.79 - Step 4: Simplify right side
750,829.68x = 465,992,446,339.25 - Step 5: Solve for x
x = 465,992,446,339.25/750,829.68 - Step 6: Final answer
x = 620,636.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.