Finding the Fourth Proportional to 864,633.42, 1,295,900.10 and 611,987.94
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Solution
The fourth proportional to 864,633.42, 1,295,900.10 and 611,987.94 is: 917,238.70
Step by Step Solution
- Step 1: Write the proportion equation
864,633.42 : 1,295,900.10 = 611,987.94 : x - Step 2: Convert to fraction form
864,633.42/1,295,900.10 = 611,987.94/x - Step 3: Cross multiply
864,633.42x = 1,295,900.10 × 611,987.94 - Step 4: Simplify right side
864,633.42x = 793,075,232,644.79 - Step 5: Solve for x
x = 793,075,232,644.79/864,633.42 - Step 6: Final answer
x = 917,238.70
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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.