Finding the Fourth Proportional to 837,689.12, 1,256,326.09 and 238,655.47
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Solution
The fourth proportional to 837,689.12, 1,256,326.09 and 238,655.47 is: 357,924.06
Step by Step Solution
- Step 1: Write the proportion equation
837,689.12 : 1,256,326.09 = 238,655.47 : x - Step 2: Convert to fraction form
837,689.12/1,256,326.09 = 238,655.47/x - Step 3: Cross multiply
837,689.12x = 1,256,326.09 × 238,655.47 - Step 4: Simplify right side
837,689.12x = 299,829,093,482.21 - Step 5: Solve for x
x = 299,829,093,482.21/837,689.12 - Step 6: Final answer
x = 357,924.06
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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.