Finding the Fourth Proportional to 764,691.51, 1,146,962.70 and 232,217.13
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Solution
The fourth proportional to 764,691.51, 1,146,962.70 and 232,217.13 is: 348,303.05
Step by Step Solution
- Step 1: Write the proportion equation
764,691.51 : 1,146,962.70 = 232,217.13 : x - Step 2: Convert to fraction form
764,691.51/1,146,962.70 = 232,217.13/x - Step 3: Cross multiply
764,691.51x = 1,146,962.70 × 232,217.13 - Step 4: Simplify right side
764,691.51x = 266,344,386,411.05 - Step 5: Solve for x
x = 266,344,386,411.05/764,691.51 - Step 6: Final answer
x = 348,303.05
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1.5x scale
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.