Finding the Fourth Proportional to 687,980.58, 949,862.87 and 446,950.09
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Solution
The fourth proportional to 687,980.58, 949,862.87 and 446,950.09 is: 617,083.26
Step by Step Solution
- Step 1: Write the proportion equation
687,980.58 : 949,862.87 = 446,950.09 : x - Step 2: Convert to fraction form
687,980.58/949,862.87 = 446,950.09/x - Step 3: Cross multiply
687,980.58x = 949,862.87 × 446,950.09 - Step 4: Simplify right side
687,980.58x = 424,541,292,999.41 - Step 5: Solve for x
x = 424,541,292,999.41/687,980.58 - Step 6: Final answer
x = 617,083.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.