Finding the Fourth Proportional to 1,037,315.42, 1,555,599.05 and 438,323.00
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Solution
The fourth proportional to 1,037,315.42, 1,555,599.05 and 438,323.00 is: 657,326.43
Step by Step Solution
- Step 1: Write the proportion equation
1,037,315.42 : 1,555,599.05 = 438,323.00 : x - Step 2: Convert to fraction form
1,037,315.42/1,555,599.05 = 438,323.00/x - Step 3: Cross multiply
1,037,315.42x = 1,555,599.05 × 438,323.00 - Step 4: Simplify right side
1,037,315.42x = 681,854,839,449.57 - Step 5: Solve for x
x = 681,854,839,449.57/1,037,315.42 - Step 6: Final answer
x = 657,326.43
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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.